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Tech Moves: Former Amazon exec joins F5; Microsoft security CVP departs; Qualtrics adds leadership

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Cathy Peterman. (F5 Photo)

F5 named former Amazon executive Cathy Peterman as executive vice president and chief people officer of the Seattle-based application-delivery and security company. In May, F5 celebrated its 30th year in business.

“Cathy brings a rare combination of strategic depth and genuine humanity that will raise the bar for how we invest in our people,” said CEO François Locoh-Donou in a statement. “She and I share a reverence for culture and its impact on driving sustained results.”

Peterman joins F5 from Wayfair, where she served as CPO for the retail company’s technology organization. Prior to that, she was with Amazon for more than five years, departing as the HR executive for advertising products and technology.

Rudra Mitra. (LinkedIn Photo)

— After more than 27 years at Microsoft, Rudra Mitra has announced his departure. He leaves the role of corporate vice president and head of Microsoft Security Purview, a team addressing data security and governance focused on artificial intelligence and AI agents.

Mitra joined the Redmond, Wash.-based tech giant straight out of college as a software engineer. He has led work on products including Office, Windows Live and Microsoft 365 Cloud Infrastructure.

“Microsoft is a very special place full of incredibly talented people, and this decision comes with gratitude, happiness, and optimism for the future,” he said on LinkedIn. Mitra did not share his next move, saying only that there is “more on that soon.”

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Markham McIntyre. (LinkedIn Photo)

Markham McIntyre, who previously led Seattle’s Office of Economic Development, is now executive director of Climate Surge, which is described as a “project built to accelerate the deployment of climate policies and market solutions in Washington.”

The effort works with corporations, heavy industry, government, developers, advocates, and philanthropy, and is a partnership between Earth Finance, Climate Solutions and Stolte Foundation.

Prior to his role with the city of Seattle, McIntyre was at the Seattle Metropolitan Chamber for more than eight years, leaving in 2022 as executive vice president.

Qualtrics, an experience management technology company with headquarters in Seattle and Provo, Utah, announced a slate of new hires, all of whom appear to be working remotely:

  • Adam Block was named chief sales officer, joining from Motive where he was chief revenue officer.
  • Ken Coleman was named senior vice president of marketing, coming from Ramsey Solutions.
  • Khoi Hoang was named leader of the global sales engineering organization, joining from Salesforce.
  • Aaron Ellis was named leader of corporate sales, joining from Workday.

Qualtrics previously shared news that it promoted Ken Hoang to senior vice president of product.

Jay Shankar, Amazon’s former vice president of global talent acquisition, has joined Uber in a comparable role. Shankar, who is based in San Francisco, resigned from Amazon in December. Past employers include Adobe and BMC Software.

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“When I joined AWS almost 8 years ago to lead recruiting, I had never run a talent acquisition organization. What I discovered was a team of builders who showed me that this work is fundamentally about investing in people and obsessing over customer needs,” Shankar said on LinkedIn.

Jamie Boyd has joined the advisory board for Seattle’s GemaTEG, a startup building technology to manage the heat produced by computer chips. Boyd is a founder of Cypress Capital Holdings and previously helped build Cascadia, an investment banking franchise focused on energy and climate technologies.

— Seattle immigration tech startup Casium named Kat Kelley as its founding go-to-market lead. Kelley joins from Teaching Strategies, a digital education company, and past employers include Rectxt and brightwheel.

Wilson Sonsini Goodrich & Rosati, a firm that specializes in corporate and technology-focused legal work, announced that Ty Kayam has joined as counsel in Seattle, expanding the firm’s healthcare regulatory team.

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Rogo named Joe Xavier as chief technology officer of the New York-based finance platform. Early in his career, Xavier held leadership roles at Amazon and Microsoft, and more recently served as Grammarly’s CTO. At Rogo, he will help establish a San Francisco office.

And in case you missed it: Dave Brown, senior vice president of Amazon Web Services leading its compute, AI and machine learning operations, is leaving after nearly 19 years. He is departing at the end of this month, and Amazon exec Dave Treadwell will take over the group. Read more in this GeekWire story.

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SpaceX suddenly aborts second Starship V3 launch after ignition

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SpaceX abruptly aborted the second attempted launch of its upgraded Starship rocket system on Thursday, just moments after the booster ignited at the company’s complex in South Texas.

CEO Elon Musk said on his social media platform X that “[s]ome of the engines didn’t start, triggering an automatic launch abort” and that the company will replace two of them. SpaceX won’t try to launch Starship again until next week, he wrote.

SpaceX was hoping to launch its first third-generation Starlink satellites into space — although they are supposed to burn up around 20 minutes after deployment, as Starship has not yet demonstrated the ability to reach Earth orbit.

This is also SpaceX’s first Starship test launch attempt since it went public on June 12 in the largest IPO in history. The company raised more than $85 billion in the transaction and briefly touched the valuations of Amazon and Microsoft, though its stock has steadily fallen over the intervening month.

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On Thursday, SpaceX’s stock price closed below its IPO price of $135. Its stock sank more than 4% in after-hours trading after the aborted launch.

SpaceX was trying to return to flight just a few weeks after the first-ever launch of Starship V3 in May. That mission was a mixed bag.

Getting off the launchpad with the first version of a newly upgraded rocket was a big step forward, and the company was able to deploy a number of Starlink simulators into space. But the Super Heavy booster stage suffered a failure before it could attempt a simulated landing in the Gulf of Mexico, leading to an FAA-ordered review of what went wrong. (The FAA cleared the company to fly Starship again earlier this week after identifying a number of causes and fixes for the booster failure.)

Starship’s upper stage also lost an engine on its way to deploying the Starlink simulators during the May mission. The upper stage was able to perform its own simulated landing over the water without a hitch.

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SpaceX was hoping to take another step forward Thursday by launching the V3 Starlink satellites. The upgraded Starship and Starlink are key to SpaceX’s incredibly ambitious plans to prove that the concept of “orbital data centers” is both technologically and economically viable. Starlink is also the largest revenue generator and the only profitable portion of SpaceX’s business.

Thursday’s launch attempt looked to be chugging along just fine, with only a brief hold in the countdown at T-minus one minute before the scheduled launch attempt. That hold cleared quickly, and the countdown resumed.

As the countdown expired, the launchpad’s water deluge system fired up, and the booster stage visibly began firing its engines — only for everything to suddenly shut down. Graphics on SpaceX’s broadcast appeared to show that four of the company’s new Raptor engines did not fire upon ignition.

SpaceX now has to take all the propellant out of both the Super Heavy booster and the upper stage, before determining exactly what went wrong on Thursday.

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This story has been updated with new information from Elon Musk.

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GMC’s Limited Hummer EV Icon 25 Edition Revives the Classic Yellow That Defined the H2

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2027 Hummer EV Icon 25 Special Edition
GMC chose the spotlight of the 2026 ESPYS in New York to reveal a special edition built to mark 25 years of the Hummer nameplate. The 2027 Hummer EV Icon 25 arrives as a limited run available on both pickup and SUV body styles, and it carries a color choice that reaches back to the model that first turned the brand into a mainstream attention grabber.



A brilliant new color dubbed ICON covers the body in a modern spin on the bright yellow that became so common on Hummers beginning in 2002. That eye-catching red truly stands out against a black front grille, tightening up the look of the lower front end in a very stunning way. New 22-inch wheels join the broader 2027 lineup and complement the Hummers’ aggressive proportions nicely. Anyone who wants the Icon 25 treatment may get it on either the 2X or 3X trim level, resulting in the super-sized posture and road presence that Hummers have long been known for, whether driving through the city or leaping down a lonely trail.

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2027 GMC Hummer EV Icon 25 Special Edition
Every one of these cars has its own unique serialized badge on the instrument panel, because even though they are part of a limited run, every owner wants to know that his Hummer is unique. The interior is completely black, with Jet Black materials on the seats, door panels, and trim, which contrasts nicely with the colorful outside. The drive mode area of the big screen also features distinctive visuals that reference design elements from prior Hummer models. To sweeten the deal, an exclusive keepsake item is included with each Icon 25, adding a true tactile touch to the anniversary and limited edition status of the car.

2027 GMC Hummer EV Icon 25 Special Edition
The performance story is similar to that of the rest of the Hummer EV line, in that it remains consistent but scales up depending on the configuration. The top-of-the-line 3X versions, equipped with the largest battery pack possible, deliver an estimated 1,160 horsepower and lots of torque to the wheels. They can go from 0 to 60 mph in 2.8 seconds flat, however only under regulated conditions. The 2X models still have enough power to perform pavement and off-road jobs with ease.

2027 GMC Hummer EV Icon 25 Special Edition
Out in the wild, these trucks’ off-road systems continue to set them apart. The adaptive air suspension can change the ride height on the fly, and with a single button press, it can raise the body by roughly six inches when you truly need the extra clearance. Four-wheel steering makes it easy to perform tight bends at low speeds, and the technology even allows you to drive sideways when you need to get into a tight place. The pickup’s 18 camera views come in handy when traveling at low speeds or when something is blocking your view.

2027 GMC Hummer EV Icon 25 Special Edition
All 2027 Hummer EV vehicles now come equipped with a North American Charging equipped connector, allowing you to plug directly into a Tesla Supercharger station without the need for a special converter. The capacity to operate as a power source and supply power to your home is also carried over, as long as you choose GM Energy gear and installation. Production of the Icon 25 edition begins later in 2026 at GM’s Factory ZERO in Detroit and Hamtramck, Michigan. Pricing and the total quantity of automobiles for sale will be announced closer to when deliveries begin. The Icon 25 goes on sale in the United States and Canada later this year.
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HP Fined $14 Million For ‘Cartelization’ of Ink Cartridges, Toner, PCs

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India’s Competition Commission has fined HP India and its partners about 1.4 billion rupees ($14.4 million), alleging the company colluded with resellers to rig government PC bids and fix prices for ink cartridges, toner, and other printing supplies. “It said that HP was aiming to outcompete other OEMs and discourage resellers from selling ‘counterfeit’ ink and toner,” adds Ars Technica. From the report: In an order, the CCI said that HP India worked with five resellers to coordinate their bid prices for government contracts to increase the chances of an HP partner winning the contracts. The company was fined 1.3 billion rupees (about $13.1 million). […] HP was also fined 119.8 million rupees (about $1.2 million) for “indulging in cartelization in sale and supply of supplies products comprising of toner, cartridges, and other consumable used with print hardware products,” CCI said in its announcement. The agency also fined 21 HP resellers 35.2 million rupees (about $365,335).

In a separate order, the CCI said that WhatsApp records showed that HP and 16 of its Tier-2 reseller partners operated “in a collusive arrangement” and that the messages show the companies engaging in “bid rigging, including cover bidding, price fixation, and customer allocation during 2017-2020.” HP India played a central role, the regulator said.

Per the order, HP India said that high printing supply prices led some resellers to threaten to “shift to low-cost counterfeit products to compete on price.” “HP India was commercially forced into a position where it had to support the collusive arrangement adopted by the Tier-2 resellers,” the order reads. For its part, the order said that HP India “humbly objects to HP India’s role being characterized as a ‘kingpin’ of the entire collusive arrangement.” […] The CCI also ordered HP India and its channel partners to “cease and desist from anti-competitive conduct” and to hold competition compliance training programs within 60 days.

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MacBook users are filing off the sharp corners of their laptops for better wrist comfort

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  • MacBook users are complaining about their devices’ sharp edges
  • Several have decided to file their laptops down for more comfort
  • One recently outlined the process in detail on their blog

Apple is known for its keen sense of design and the exacting standards it holds its designers to, which is why it’s all the more surprising to see users of the best MacBooks filing the edges off their prized laptops. Yet that’s exactly what’s been happening over the last few months, with many arguing that it makes for a far more comfortable experience.

The latest example comes from software engineer Max Bretschneider, who posted a blog entry explaining their decision and how they went about doing it. They described their motivation this way: “A laptop will be frequently used on a lap, meaning the wrists will touch the sharp edge at an angle which is very uncomfortable.”

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San Francisco mayor pushes for tougher rules after the Waymo traffic fiasco

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It turns out that even San Francisco mayor Daniel Lurie, who once declared that the city should be a testbed for emerging tech, has his limits. Especially when that emerging tech creates a massive hours-long traffic jam that leaves thousands at a standstill.

Mayor Lurie has asked state regulators to bolster rules for autonomous vehicles nearly two weeks after Waymo robotaxis became immobile in heavy July 4 traffic, ran out of power, and blocked key streets, further compounding the gridlock. The traffic jam, which trapped municipal shuttles, became a citywide problem that affected thousands of people.

In his letter to the state Department of Transportation, which was viewed by TechCrunch, Lurie pointed to two events — a widespread power outage in December and the Golden Gate Bridge fireworks show on July 4 that attracted 100,000 spectators — both of which led to dozens of stranded Waymo vehicles and paralyzed traffic. The San Francisco Chronicle first reported on the letter.

The events, he said in the letter, “demonstrated that California’s current regulatory framework does not adequately address how autonomous vehicles operate during major incidents, planned or not. California’s challenge now is not just whether autonomous vehicles can operate safely under normal conditions, but also whether they can perform reliably during extraordinary ones.”

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Lurie said autonomous vehicle manufacturers should be able to demonstrate four “core operational capabilities” and asked the California Department of Transportation to establish statewide standards to prevent future problems like the July 4 gridlock incident.

Under Lurie’s vision, companies would be required to immediately remove or relocate robotaxis from active travel lanes to keep people moving and be required to be able to adapt in real time, adjusting their routes, service area, and pickup and drop-off locations. Companies would also have to share real-time operations data with local agencies, including service disruptions, the locations of immobile robotaxis, and recovery efforts as well as demonstrate through testing that they can handle large influxes of people and traffic.

TechCrunch has reached out to Waymo for comment. The article will be updated once the company responds.

Any company that wants to operate a robotaxi service in California has to successfully navigate two testing and deployment permit processes, one administered by the state’s Department of Motor Vehicles and the other by the Public Utilities Commission. California’s existing regulatory framework is stricter than that of other states like Texas and Arizona, but that hasn’t dissuaded companies from trying to operate there.

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San Francisco and the wider area that stretches south into Silicon Valley have long been a testbed for autonomous vehicle technology. Six companies, including Nuro, Waymo, and Zoox, hold driverless testing permits, which allow the vehicles to drive without a human safety operator behind the wheel.

But the area has also become the launch point for commercial services, which requires other permits from the DMV and CPUC.

Waymo is the largest, with an estimated 1,000 robotaxis operating in the Bay Area today. But there are plenty of others either testing or poised to launch commercial operations, including Amazon-owned Zoox as well as a premium robotaxi service that will be operated by Uber. Tesla has a branded robotaxi service but it doesn’t use driverless vehicles, nor does it have the permits to do so. Instead, Tesla has a charter transportation permit, which allows its own drivers to pick up and drop off riders throughout San Francisco in vehicles equipped with its advanced driver-assistance system rather than fully autonomous software.

Waymo’s scale has made it the focal point for regulators in San Francisco and beyond. The company now operates in 11 cities and has said it completes more than 500,000 paid rides every week. In San Francisco, Lurie noted that Waymo had agreed to restrict its service on July 4 near the waterfront and had even assigned a representative to the city’s emergency center. But that wasn’t enough to keep the Waymos out of the heavy traffic that occurred outside of that district.

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Lurie said these voluntary actions are no longer enough — a reflection of just how big Waymo’s fleet has become. He said the four proposed requirements “will not undermine autonomous vehicles; they will strengthen them.”

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Inventing Eliza: The First Chatbot’s Hidden Code

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ELIZA is remembered as the world’s first AI star, a kindly therapist in chatbot form that gently probed users’ worries. Even its creator, Joseph Weizenbaum, was surprised by the warm reception given to his experiment in human-machine interaction. For some, it heralded an age of automated psychotherapy, while others believed the program demonstrated sentience, a fallacy soon known as the “ELIZA effect.” Based on published descriptions, ELIZA has been implemented on many different computers, but only recently has the actual source code been unearthed from MIT’s archives.

In Inventing ELIZA: How the First Chatbot Shaped the Future of AI, just published by MIT Press, a squad of researchers analyze the code and reveal a complex program capable of much more than faking psychiatry. In fact, it could assume several different personas. The authors have also created a faithful emulation of the therapist persona that you can try yourself after reading the book excerpt below.

When it debuted in the mid-1960s, the ELIZA software program transformed the way people thought about interacting with computers. As the first chatbot, ELIZA demonstrated how a calculation machine might engage in conversation, ushering in a host of social and technical questions that still resonate today. Now we don’t think twice about interacting with a machine in real time, conversing over text, or even speaking into the air to ask about the weather. In many ways, ELIZA shaped not only the way we think about interacting with computers but also how we think about them. It began to give a reality to the science fiction stories of how we expect computers to work.

Orange book cover titled \u201cInventing Eliza: How the First Chatbot Shaped the Future of AI\u201d This article is adapted from the new book “Inventing ELIZA: How the First Chatbot Shaped the Future of AI“ (MIT Press, 2026).

Although ELIZA was far from a faultless conversation partner, it astonished its users. The recent discovery and archaeology of the original ELIZA source code represents a significant intervention in the history of computing. By examining the actual implementation of ELIZA rather than relying on later reconstructions and reimplementations, we challenge taken-for-granted assumptions about this key software artifact.

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For example, the source code reveals that ELIZA was not merely a simple pattern-matching chatbot but can be better understood as a sophisticated platform designed for multiple “personas,” or scripts, with a complex set of capabilities, including script editing and contextual memory. The script that most people conflate with the program ELIZA was actually called Doctor, which performed the role of a psychotherapist. Yet, like a modern chatbot prompted to behave with different personalities, ELIZA could take on many roles.

“This code and script…reveal underlying assumptions about language, therapy, and human-computer interaction that continue to influence modern AI development.”

This unearthed material transforms our understanding of early AI development by demonstrating that Joseph Weizenbaum’s technical innovations were far more advanced than previously documented. Moreover, the discrepancies between his published descriptions and the actual implementation help to show the gap between theoretical computational models and their material instantiations in computer source code, a tension that continues to shape digital culture today.

Although many technical innovations have emerged in the decades since ELIZA, examining the ELIZA/Doctor code offers a rare glimpse into one of the earliest formalized attempts to model human conversation. What makes ELIZA particularly fascinating is not only its historical significance but also what it reveals about Weizenbaum’s views on both computing and human interaction. This code and script do not merely showcase programming techniques of the 1960s; they reveal underlying assumptions about language, therapy, and human-computer interaction that continue to influence modern AI development. By examining this code, we can start to uncover the sophisticated linguistic and programming techniques that allowed a rudimentary pattern-matching system to create a convincing simulation of understanding. But before we can read the lines of code, let us offer an overview of the system.

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How Did ELIZA Create Personas?

The architectural distinction between ELIZA and Doctor represents an important design decision in AI history. Think of ELIZA as a system for interaction and Doctor as one set of rules that Weizenbaum devised, among others. This separation, manifested in ELIZA’s system-script dichotomy, presaged numerous contemporary software patterns, from configuration-as-data to plug-in architectures and domain-specific languages.

A 1960s chatbot program running on a 1980s IBM personal computer. Based on published journal articles, ELIZA was re-created on many platforms, such as the IBM PC. However, the actual source code sat untouched in the MIT archives for many years. VCF Museum at InfoAge

Without question, the historical context of 1960s computing fundamentally shaped ELIZA’s architecture as well. Decisions in computing that reflect material constraints create path dependencies and eventually become programming cultural norms. These constraints manifested in ELIZA’s single-pass processing, tape-based storage and stack-oriented implementation. Yet within these limitations, Weizenbaum crafted an elegant solution. These technical features, though invisible to the users, are crucial to creating the illusion of understanding that made ELIZA so compelling.

Weizenbaum explained many of ELIZA’s technical features in the 10-page paper published in the January 1966 edition of the journal Communications of the Association for Computing Machinery (CACM). But he chose to omit some essential details.

In that paper Weizenbaum published ELIZA’s best known dialogue, which begins,

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Men are all alike.

IN WHAT WAY

They’re always bugging us about something or other.

CAN YOU THINK OF A SPECIFIC EXAMPLE

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Well, my boyfriend made me come here.

This dialogue marked ELIZA’s public debut in 1966 as one of the examples produced by the Doctor script. By finding the source code for ELIZA and examining how it performs the Doctor script, we now better understand these two separate parts of a system and can explore the many other personas of ELIZA. In just some of the other scripts known to date, ELIZA was programmed to discuss math, poetry, color, paradoxes, synchronization, relativity, France, and elevators.

These scripts work like templates. They are structured data that direct the ELIZA system to “play” a particular task or role. By comparing archival and published ELIZA dialogues from interactions with a variety of scripts, including Doctor, we can understand more about bot personas and how they function, paying close attention to how a bot evokes social dynamics between system and interactor.

Ultimately, studying the dialogues and scripts demonstrates the crucial role that collaboration plays in these exchanges, as bot and user cocreate the sense of their interaction. To understand the full range of ELIZA’s capabilities and conversational possibilities, let’s take a look at the variety of scripts that were created for the ELIZA system.

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What distinguishes each ELIZA script is both its subject matter and the linguistic and stylistic choices used to deliver that content. These choices are not neutral; they can be said to construct a particular persona with characteristics that emerge through the script’s language patterns, vocabulary, and conversational approach. In short, it matters not just what you say but how you say it too.

“The aim was less to create a functional automated therapist and more to find a suitably constrained role to match the limitations of the programming environment.”

For example, with the Doctor script Weizenbaum deliberately echoed the style of a Rogerian “talk” therapist. He chose this persona because the psychiatric mode is one of the few types of conversations in which one person can “assume the pose of knowing almost nothing of the real world. If, for example, one were to tell a psychiatrist ‘I went for a long boat ride’ and he responded, ‘Tell me about boats,’ one would not assume that he knew nothing about boats but that he had some purpose in so directing the subsequent conversation.”

Close-up of paper loaded in a teletype machine with a few paragraphs of chatbot dialogue written on it. The first users of ELIZA interacted with it via teletype terminals.VCF Museum at InfoAge

Thus, the most famous persona created for ELIZA was a technical convenience. As human-computer interaction expert Lucy Suchman explains, “The Doctor program exploited the maxim that shared premises can remain unspoken: that the less we say in conversation, the more what is said is assumed to be self-evident.” In creating the original ELIZA effect, less was more.

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The aim was less to create a functional automated therapist and more to find a suitably constrained role to match the limitations of the programming environment. Then Weizenbaum composed the script to match the role by choosing specific words that evoked rhetorical tone and characterization, for example, LET’S DISCUSS FURTHER WHY YOU … WHAT DOES THAT SUGGEST TO YOU. In Doctor, the machine side of the conversation needs to appear like a good listener who cares about what the user has mentioned before, so it often includes the user’s text in its replies and keeps its responses open-ended. Because a real doctor would be inquisitive, the script contains lots ofWHAT andWHY questions. In other scripts and dialogues, the script keywords and assigned responses reveal the design decisions that help create different specific personas. This variation becomes increasingly apparent as we look at the wider range of ELIZA scripts.

What Were Some of ELIZA’s Alternate Personas?

Let’s start with a script called Neweng, short for New England. By the mid-1950s, scientists were already taking up Turing’s proposition for conversing with a computer as a tangible idea. In 1959, a “conversation machine” made by a small team at the University of Toronto Computation Centre could make small talk about the weather if preprompted with current data. Its script included a ranked series of time words, weather words, and emotion words, but the system had “a rather narrow outlook,” limited vocabulary, and no knowledge of syntax. According to its creators, “in spite of this crudity, the results in passable conversation are surprisingly good, which in a way is a commentary on the shallowness of ordinary conversation about the weather.”

Typewritten list of inquisitive dialogue responses such as \u201cWhat does that suggest to you?\u201d This fragment of ELIZA’s source code shows how scripted responses were encoded, in this case to make ELIZA sound like a Rogerian therapist. MIT Libraries, Distinctive Collections

One of ELIZA’s test scripts found in the archive had a similar function. Neweng does not soothe, therapize, or instruct, but only makes small talk. It chats as if at a boring dinner party.

WHAT NEW ENGLAND STATE DO YOU LIKE BEST OF ALL

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i love rhode island

I ENJOY THE BEACHES ON LONG ISLAND SOUND

WHAT OTHER NEW ENGLAND STATE DO YOU LIKE

i like massachusetts

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THAT IS MY HOME STATE

WHAT OTHER NEW ENGLAND STATE DO YOU LIKE

you must like massachusetts too

WHAT OTHER NEW ENGLAND STATE DO YOU LIKE

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i enjoy skiing in new hampshire

PLEASANTLY COOL IN THE SUMMER UP THERE

WHAT OTHER NEW ENGLAND STATE DO YOU LIKE

i like missouri

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MISSOURI IS NOT A NEW ENGLAND STATE

WHAT OTHER NEW ENGLAND STATE DO YOU LIKE

i like cape cod

THAT’S A BEAUTIFUL PART OF MASSACHUSETTS

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What can we learn from such a basic conversation in which it seems like nothing interesting is shared? Despite the bland chat, a persona emerges from the bot script in phrases like PLEASANTLY COOL and UP THERE and in locations like THE BEACHES ON LONG ISLAND SOUND. From such comments, we can begin to imagine a persona who has not only a certain vocabulary but also certain hobbies and vacation spots. Perhaps implicit assumptions of race and class emerge as well.

A chatty persona might take on many forms, depending on where and when the conversation occurs. This one seems reserved, perhaps fitting its setting in 1960s New England. The system reminds the user that Missouri is not a New England state, but what if this conversation took place in Missouri, Texas, or Mexico? The machine persona would sound different in its cadence, tone, and references. What would we come to understand about a chat persona from Fire Island, from Brooklyn, from Berlin? What would they sound like, and what topics would they discuss?

These differences in subject matter do matter. They imply personas with entirely different backgrounds and experience, giving users wholly different interactions and affective relations. In this way, the Neweng script demonstrates how even simple algorithms making contextual responses about geography could generate a convincing sense of personhood and place. Whereas Neweng could be said to have created a casual, conversational persona focused on light social exchange, other scripts pushed ELIZA into more structured and educational roles. These scripts demonstrate how the system could be adapted not just for friendly chatter but for teaching.

Black-and-white portrait of a middle-aged balding man in aviator eyeglasses.Edwin Taylor, at MIT’s Education Research Center, developed alternate scripts for ELIZA, testing its ability to act as a teacher.MIT Libraries, Distinctive Collections

Meet ELIZA the tutor, quite unlike ELIZA the therapist or the chatty neighbor. Intrvw, Canvec, FVP1, and Arithm are a set of ELIZA scripts created as teaching tools used in experiments by Edwin F. Taylor at MIT’s Education Research Center. These scripts run on later versions of ELIZA that incorporated an important technical innovation called conditional keyword matching.

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Unlike the original ELIZA, which simply looked for keywords and generated responses based on their presence, these updated versions could track what had been discussed previously and branch into different conversational paths based on specific user answers. This development allowed ELIZA to simulate a kind of Socratic method, where a tutor guides learning through carefully sequenced questions that respond to student answers rather than simply presenting information.

These scripts construct the tutor persona through many subtle linguistic gestures that create characterization and rhetorical tone. This tone differs from that of Doctor, which asks open-ended questions and comes across as gentle and nonscientific. In the tutoring scripts, large blocks of informative text from the bot tend to dominate the conversation, and the tone is often more dry and unemotional in these explanations. The dialogues indicate structured scripts that include guidance to lead the student through narrow, Socratic learning paths.

In particular, the teaching scripts feature praise and critique. The dialogues for Intrvw, Canvec, and FVP1 are peppered with EXCELLENT, VERY GOOD, RIGHT YOU ARE, and CONGRATULATIONS. These create the sense of a supportive instructor cheering the student on. Such politeness has been taken up in contemporary bots like ChatGPT, which has been shown to perform better when people are polite back to it.

ELIZA could become a tutor more effectively as the system grew in its capabilities, another valuable reminder that ELIZA was not one program but a family of programs. After the publication of the 1966 CACM article, Weizenbaum continued to develop the systems for interaction and understanding. As an experiment, Weizenbaum wrote the Arithm script less as a tutor and more so to “to illustrate the power of the evaluator to which ELIZA has access.” It uses a friendly, plain language interface to let users do simple programming. The script can do calculations, assign variables to values, and perform operations on them. Math problems can be described in sentence form:

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The radius of a globe is 10.

A globe is a sphere. A sphere is an object.

What is the area of the globe.

IT’S 1256.635916

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The updated 1967 version of the ELIZA system can accumulate facts and store additional information. In this later version of ELIZA, when the system does not recognize information, it asks follow-up questions to gain data. As Weizenbaum explains, “The present script is designed to reveal, as opposed to conceal, lack of understanding and misunderstanding. Notice, for example, that when the program is asked to compute the area of the ball, it doesn’t yet know that a ball is a sphere and that when the diameter of the ball needs to be computed the fact that a ball is an object has also not yet been established.” Unlike Doctor, which asks questions to keep the conversation going, Arithm is building its store of, if not knowledge, then data and logic statements.

Although the variety of scripts helps us to see how a range of personas could be constructed through script programming ELIZA, they represent only half of the conversational process. A script can establish a foundation for a persona, but that persona only emerges fully through interaction with users who engage with it, interpret it, and respond to it in ways that may confirm, challenge, or transform the script’s implicit character.

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SR-71 Blackbird Crews Prepared For Flight Like Astronauts, Not Pilots

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The SR-71 Blackbird is one of the best-known aircraft the United States has ever produced, and it has a long list of record-breaking achievements to explain why. Lockheed’s Skunk Works developed the legendary strategic reconnaissance plane in the 1960s, and it continued to operate, on and off, for the U.S. Air Force until 1990. It, however, continued to fly for NASA before finally being retired in 1999. Since then, SR-71 displays at museums have allowed more people to get up close to the iconic plane.

While the SR-71’s incredible speed is probably its best-known feature, few likely consider the pilots who flew the plane. The SR-71 was unlike anything else in the Air Force’s inventory, and its makeup and capabilities made it unique, requiring specialized equipment to get it into the air. SR-71 pilots were more like astronauts than their predecessors who flew the McDonnell Douglas F-4 Phantom II, one of the most iconic fighters of the ’60s.

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SR-71 pilots didn’t wear flight suits, for one; instead, they donned pressurized suits that evolved over the years, as new tech and capabilities were introduced. One such model, the David Clark-produced S1030 Full Pressure suit, used first in 1970, looked very much like what a NASA astronaut might don while boarding a Space Shuttle. The suit included multiple layers, oxygen hoses, leather flight boots, and a couple of pockets below the knee, and was the culmination of years’ worth of development.

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Pilots and flight preparation

Prospective SR-71 pilots had to volunteer for the program before being allowed to fly the highly secretive reconnaissance aircraft. New pilots had to go through an astronaut’s physical, interviews, and test flights before they could be considered. Once accepted, new pilots would still need to undergo more training before they were allowed to fly an SR-71. Before every mission, pilots had to eat a specific high-protein diet, served by a dedicated dining facility that catered only to SR-71 and U-2 Dragon Lady pilots, who wore similar suits.

Actual flight preparation also involved procedures that pilots of other jets didn’t have to go through. These included a lengthy suit inspection process due to the pressure suit’s numerous layers, including a comfort liner, a thermal layer, and more. Pilots had to put on a parachute harness and boots alongside their sealed helmet, all of which were heavy and unwieldy. A brief physical followed, and pilots then switched to breathing pure oxygen before takeoff. The SR-71 itself required careful preparation, too, including heating its oil so the engines could start.

Because of the high heat endured throughout flight, pilots carried a portable cooling unit to prevent overheating. Because the missions were often long, pilots would wear a urine-collection device; to eat, they placed their food against the cockpit window. It heated quickly because friction outside the aircraft was so high that the SR-71’s unique quartz windshield reached 580 degrees Fahrenheit.

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When Flock Comes to Your Town: I Asked Experts What to Do About These AI Cameras

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Hundreds of cities across the US had adopted a now-familiar brand: Flock Safety surveillance systems, using controversial, AI license plate detection cameras and broad contracts with local police. Now cities, from my home of Bend, Oregon, to the LAPD in Los Angeles, are canceling their Flock contracts, while other towns are even covering Flock cameras with plastic bags while trying to figure out if the cams are actually shut down. 

So, what does it mean when you spot the first camera-and-solar-panel Flock setup in your own neighborhood? I talked to Flock, the American Civil Liberties Union and others about what you need to know. 

Read more: State Laws Against Surveillance and License Plate Cams

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Flock made headlines late last year during widespread crackdowns by US Immigration and Customs Enforcement. Though Flock doesn’t have a direct partnership with federal agencies (a blurry line I’ll discuss below), law enforcement agencies are free to share data with departments like ICE, and they frequently do. And Flock Safety coverage, along with citizen concerns, has only risen since then. 

One study from the Center for Human Rights at the University of Washington found that at least eight Washington law enforcement agencies shared their Flock data networks directly with ICE in 2025, and 10 more departments allowed ICE backdoor access without explicitly granting the agency permission. Many other reports outline similar activity.

Following Super Bowl ads about finding lost dogs, Flock was under scrutiny about its planned partnership with Ring, Amazon’s security brand. The integration would have allowed police to request the use of Ring-brand home security cameras for investigations. Following intense public backlash, Ring cut ties with Flock just like my city did, although it now faces a new lawsuit for its own face recognition systems.

To learn more, I spoke to Flock about how the company’s surveillance technology is used (and misused). I also spoke with privacy advocates from the ACLU to discuss surveillance concerns and what communities are doing about it. 

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What it means when Flock Safety sets up

A Flock surveillance camera on a post by trees with a large solar panel connected.

Flock’s presence means license plate cameras — and these days, much more.

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If you hear that Flock is setting up near you, it usually means the installation of ALPR cameras to capture license plate photos and monitor cars on the street.

Flock signs contracts with a wide range of entities, including city governments and law enforcement departments. A neighborhood can also partner with Flock — for example, if a homeowners’ association decides it wants extra eyes on the road, it may choose to use Flock’s systems.

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When Flock secures a contract, the company installs cameras at strategic locations. Though these cameras are primarily marketed for license plate recognition, Flock reports on its site that its surveillance system is intended to reduce crime, including property crimes such as “mail and package theft, home invasions, vandalism, trespassing and burglary.” The company also says it frequently solves violent crimes like “assault, kidnappings, shootings and homicides.”

Flock has recently expanded into other technologies, including advanced cameras that monitor more than just vehicles. Most concerning are the latest Flock drones equipped with high-powered cameras. Flock’s “Drone as First Responder” platform automates drone operations, including launching them in response to 911 calls or gunfire. Flock’s drones, which reach speeds up to 60 mph, can follow vehicles or people and provide information to law enforcement.

Drones like these can be used to track fleeing suspects. In practice, the key is how law enforcement chooses to use them, and whether states pass laws allowing police to use drones without a warrant — I’ll cover state laws more below, because that’s a big part of today’s surveillance.

It’s important to note that not all cities or neighborhoods refer to Flock Safety by name, even when using its technology. They might mention the Drone as First Responder program, or ALPR cameras, without further details. For example, a March announcement about police drones from the city of Lancaster, California, doesn’t mention Flock at all, even though it was the company behind the drone program. 

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How Flock uses tech to ID cars — and people

A Flock drone with a camera flying in a white sky.

Flock has expanded from cameras to drones, and with that comes greater ability to track people as well as cars.

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Flock states on its website that its standard license-plate cameras cannot technically track vehicles, but only take a “point-in-time” image of a car to nab the license plate. 

However, due to AI video and image search, contracted parties like local law enforcement can use these tools to piece together license information and form their own timeline of where and when a vehicle went. Adding to those capabilities, Flock also told Forbes that it’s making efforts to expand access to include video clips and live feeds.

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Flock’s machine learning can also note details like a vehicle’s body type, color, the condition of the license plate and a wide variety of identifiers, like roof racks, paint colors and what you have stored in the back. Flock rarely calls this AI, but it’s similar to AI-recognition features you can find in the latest home security cameras

A Flock spokesperson told me the company has boundaries and does not use facial recognition: “We have more traditional video cameras that can send an alert when one sees if a person is in the frame, for instance, in a business park at 2 a.m. or in the public parks after dark.”

By “traditional” cameras, Flock refers to those that capture a wider field of view — more than just cars and license plates — and can record video rather than just snapshot images.

The information Flock can access provides a comprehensive picture that police can use to track cars by running searches on their software. Just like you might Google a local restaurant, police can search for a basic vehicle description and retrieve recent matches that the surveillance equipment may have found. Those searches can sometimes extend to people, too.

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“We have an investigative tool called Freeform that lets you use natural language prompts to find the investigative lead you’re looking for, including the description of what a person’s clothes may be,” the Flock spokesperson told me. 

Unlike red-light cameras, Flock’s cameras can be installed nearly anywhere and snap vehicle ID images for all cars. There are Safe Lists that people can use to help Flock cameras filter out vehicles by filling out a form with their address and license plate to mark their vehicle as a “resident.” 

The opposite is also true: Flock cameras can use a hot list of known, wanted vehicles and send automatic alerts to police if one is found.

With Flock drones, these intelligent searches become even more complete, allowing cameras to track where cars are going and identify people. That raises additional privacy concerns about having eyes in the sky over your backyard.

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“While flying, the drone faces forward, looking at the horizon, until it gets to the call for service, at which point the camera looks down,” the Flock spokesperson said. “Every flight path is logged in a publicly available flight dashboard for appropriate oversight.”

Yet unlike personal security options, there’s no easy way to opt out of this kind of surveillance. You can’t turn off a feature, cancel a subscription or throw away a device to avoid it. 

And even though more than 45 cities have canceled Flock contracts amid public outcry, that doesn’t guarantee that all surveillance cameras will be removed from the designated area. 

When I reached out to the police department in Eugene, another city in Oregon that ended its Flock contract, the PD director of public information told me that, while there were concerns about certain vulnerabilities and data security requirements with the particular vendor, the technology itself is not the problem. “Eugene Police’s ALPR system experience has demonstrated the value of leveraging ALPR technology to aid investigations … the department must ensure that any vendors meet the highest standards.”

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Does Flock track personal information? The devil is in the details

A white car showing a clear license plate number.

License plates can be closely connected to your personal information.

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Flock’s stance, as outlined in its privacy and ethics guide, is that license plate numbers and vehicle descriptions aren’t personal information. The company says it doesn’t surveil “private data” — only cars and general descriptive markers.

But vehicle information can be considered personal because it’s legally tied to the vehicle’s owner. Privacy laws, including proposed federal legislation from 2026, prohibit the release of personal information from state motor vehicle records in order to protect citizens.

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However, those laws typically include exemptions for legal actions and law enforcement, sometimes even for private security companies.

AI detection also plays a role. When someone can identify a vehicle through searches like “red pickup truck with a dog in the bed,” that tracking goes beyond basic license plates to much more personal information about the driver and their life. It may include the bumper stickers, what can be seen in the backseat and whether a vehicle has a visible gun rack.

Flock’s practices — like its recent push toward live video feeds and drones to track suspects — move out of the gray area, and that’s where privacy advocates are rightly concerned. Despite its policy, it appears you can track specific people using Flock tech. You’ll just need to pay more to do so, such as upgrading from ALPRs to Flock’s suspect-following drone program, or using its Freeform tool to track someone by the clothes they’re wearing.

How does Flock Safety handle the data it collects? 

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Flock’s security practices are solid, but it’s the company’s users I’m worried about.

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Flock states on its website that it stores data for 30 days on Amazon Web Services cloud storage and then deletes it. It uses KMS-based encryption (a managed encryption key system common in AWS) and reports that all images and related data are encrypted from on-device storage to cloud storage. 

When Flock collects criminal justice information, or sensitive data managed by law enforcement, it’s only available to official government agencies, not an entity like your local HOA. Because video data is encrypted throughout its transfer to the end user, employees at Flock cannot access it. These are the same kind of security practices I look for when reviewing home security cameras, but there are more complications here.

However, Flock also makes it clear that its customers — whether that’s a local police department, private business or another institution — own their data and control access to it. Once end users access that data, Flock’s own privacy measures don’t do much to help. That raises concerns about the security of local law enforcement systems, each of which has its own data regulations and accountability practices.

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Abuse of Flock data

A close up shot of a black Flock camera against a blue sky.

Flock can audit camera access, but that hasn’t prevented bad behaviors so far.

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You may have noticed a theme: Flock provides powerful surveillance technology, and the final results are deeply influenced by how customers use it. That can be creepy at best, and an illegal abuse of power at worst.

Since Flock Safety began partnering with law enforcement, a growing number of officers have been found abusing the surveillance system. In one instance, a Kansas police chief used Flock cameras 164 times while tracking an ex. In another case, a sheriff in Texas lied about using Flock to “track a missing person,” but was later found to be investigating a possible abortion. In Georgia, a police chief was arrested for using Flock to stalk and harass citizens. In Virginia, a man sued the city of Norfolk over purported privacy violations and discovered that Flock cameras had been used to track him 526 times, around four times per day.

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Those are just a few examples from a long list, giving real substance to worries about a surveillance state and a lack of checks and balances. When I asked Flock how its systems protect against abuse and overreach, a spokesperson referred to its accountability feature, an auditing tool that “records every search that a user of Flock conducts in the system.” Flock used this tool during the Georgia case above, which ultimately led to the arrest of the police chief.

While police search logs are often tracked like this, reports indicate that many authorities start searches with vague terms and cast a wide net using terms like “investigation,” “crime” or a broad immigration term like “deportee” to gain access to as much data as possible. While police can’t avoid Flock’s audit logs, they can use general or discriminatory terms — or skip filling out fields entirely — to evade investigations and hide intent.

Regardless of the auditing tools, the onus is on local organizations to manage investigations, accountability and transparency. That brings me to a particularly impactful current event.

Flock, ICE and the federal government: Data sharing complications

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While ICE can’t directly access Flock’s system, they tend to get a lot of help from local law enforcement. 

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ICE is the elephant in the room in my Flock guide. Does Flock share its surveillance data with federal agencies such as ICE? Yes, the federal government frequently has access to that data, but how it gets access is important.

Flock states on its website that it has not shared data or partnered with ICE or any other Department of Homeland Security officials since terminating its pilot programs in August 2025. Flock says its focus is now on local law enforcement, but that comes with a hands-off approach that doesn’t control what happens to information downstream.

“Flock has no authority to share data on our customers’ behalf, nor the authority to disrupt their law enforcement operations,” the Flock spokesperson told me. “Local police all over the country collaborate with federal agencies for various reasons, with or without Flock technology. “

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That collaboration has grown more complex. As Sen. Ron Wyden, a Democrat from Oregon, stated in an open letter to Flock Safety, “local” law enforcement isn’t that local anymore, especially when 75% of Flock’s law enforcement customers have enrolled in the National Lookup Tool, which allows information sharing across the country between all participants.

“Flock has built a dangerous platform in which abuse of surveillance data is almost certain,” Wyden wrote. “The company has adopted a see-no-evil approach of not proactively auditing the searches done by its law enforcement customers because, as the company’s Chief Communications Officer told the press, ‘It is not Flock’s job to police the police.’”

Police department sharing isn’t always easy to track, but 404 Media reported last year that police departments across the country have been creating Flock searches with reasons listed as “immigration,” “ICE,” or “ICE warrant,” among others. Again, since police can put whatever terms they want in these fields — depending on local policies — we don’t know for sure how common it is to look up info for ICE.

Additionally, there’s not always an official process or chain of accountability for sharing this data. In Oregon, reports found that a police department was conducting Flock searches on behalf of ICE and the FBI via a simple email thread.

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“When this kind of surveillance power is in malevolent hands — and in the case of ICE, I feel comfortable saying a growing number of Americans view it as a bad actor — these companies are empowering actions the public increasingly finds objectionable,” a lawyer with the ACLU told a Salt Lake City news outlet earlier this year.

With the myriad ways law enforcement shares Flock data with the federal government, it may seem like there’s not much you can do. But one powerful tool is advocating for new laws.

The rise of laws limiting what Flock Safety and police can do

A line of people walk across an illustration of the United States with certain states blocked out.

State laws differ drastically when it comes to Flock surveillance, but legislation is on the rise.

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In the past two years, a growing number of state laws have been passed or proposed to address Flock Safety, license plate readers and surveillance. Much of this legislation is bipartisan, or has been passed by both traditionally right- and left-leaning states, although some go further than others.

When I contacted the ACLU to learn what legislation is most effective in situations like this, Chad Marlow, senior policy counsel and lead on the ACLU’s advocacy work for Flock and related surveillance, gave several examples.

“I would limit the allowed uses for ALPR,” Marlow told me. “While some uses, like for toll collection and Amber Alerts, with the right guardrails in place, are not particularly problematic, some ALPRs are used to target communities of color and low-income communities for fine/fee enforcement and for minor crime enforcement, which can exacerbate existing policing inequities.”

This type of harmful ALPR targeting is typically used to both oppress minorities and bring in a greater number of fees for local law organizations — problems that existed long before AI recognition cameras, but have been exacerbated by the technology.

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New legislation can help, but it needs to be carefully crafted. The most effective laws fall into two categories. The first is requiring any collected ALPR or related data to be deleted within a certain time frame — the shorter, the better. New Hampshire wins here with a 3-minute rule.

“For states that want a little more time to see if captured ALPR data is relevant to an ongoing investigation, keeping the data for a few days is sufficient,” Marlow said. “Some states, like Washington and Virginia, recently adopted 21-day limits, which is the very outermost acceptable limit.” 

The second type of promising law makes it illegal to share ALPR and similar data outside the state (such as with ICE) and has been passed by states like Virginia, Illinois and California. 

“Ideally, no data should be shared outside the collecting agency without a warrant,” Marlow said. “But some states have chosen to prohibit data sharing outside of the state, which is better than nothing, and does limit some risks.”

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Vermont, meanwhile, requires a strict approval process for ALPRs that, by 2025, left no law enforcement agency in the state using license cams.

But what happens if police choose to ignore laws and continue using Flock as they see fit? That’s already happened. In California, for example, police in Los Angeles and San Diego were found sharing information with Homeland Security in 2025, in violation of a state law that bans organizations from sharing license plate data out of state.

When this happens, the recourse is typically a lawsuit, either from the state attorney general or a class action by the community, both of which are ongoing in California in 2026. But what should people do while legislation and lawsuits proceed?

Living with Flock Safety and its growing competitors

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Many other AI surveillance tools are appearing, including some aimed at law enforcement and businesses.

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Marlow acknowledged that individuals can’t do much about Flock surveillance without bans or legislation. 

“Flock identifies and tracks your vehicle by scanning its license plate, and covering your license plate is illegal, so that is not an option,” he told me.

However, Marlow suggested minor changes that could make a difference for those who are seriously worried. “When people are traveling to sensitive locations, they could take public transportation and pay with cash (credit cards can be tracked, as can share-a-rides) or get a lift from a friend, but those aren’t really practical on an everyday basis.”

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Ditching or restricting Flock Safety is one way communities are fighting back against what they consider to be unnecessary surveillance with the potential for abuse. But AI surveillance doesn’t begin or end with one company.

Motorola's VehicleManager tool can do searches very similar to Flock's cams.

When multiple companies, including Motorola, are offering similar tools, the problem becomes much larger than Flock Safety tech.

Motorola Solutions

Flock Safety is an intermediary that provides technology in demand by powerful organizations. It’s hardly the only one with these kinds of high-tech eyes — it’s just one of the first to enter the market at a national level. If Flock were gone, another company would likely step in to fill the gap, unless restricted by law. 

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As Flock’s integration with other apps and cameras becomes more complex, it’s going to be harder to tell where Flock ends and another solution begins, even without rival companies showing up with the latest AI tracking.

But rivals are showing up, from Shield AI for military intelligence to commercial applications by companies like Ambient.ai, Verkada’s AI security searches and the notorious intelligence firm Palantir, all looking for ways to integrate and expand. Motorola, in particular, is in on the action with its VehicleManager platform.

Other steps to take if you’re worried 

A logo for the plate privacy project.

If you want to take an extra step, you can volunteer, donate and participate in a variety of anti-surveillance activities.

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Institute for Justice

The first step is being aware, including knowing which new cameras your city is installing and which software partnerships your local law enforcement has. If you don’t like what you discover, find ways to participate in the decision-making process, like attending open city council meetings on Flock, as in Bend.

On a broader level, keep track of the legislation your state is considering regarding Flock and similar surveillance contracts and operations, as these will have the greatest long-term impact. Blocking data from being shared out of state and requiring police to delete surveillance ASAP are particularly important steps. You can contact your state senators and representatives to encourage legislation like this. 

When you’re wondering what to share with politicians, I recommend something like what Marlow told me: “The idea of keeping a location dossier on every single person just in case one of us turns out to be a criminal is just about the most un-American approach to privacy I can imagine.”

You can also sign up for and donate to projects that are addressing Flock concerns, such as The Plate Privacy Project from The Institute for Justice. I’m currently talking to them about the latest events, and I’ll update if they have any additional tips for us.

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Keep following CNET home security, where I break down the latest news you should know, like privacy settings to turn on, security camera settings you may want to turn off and how surveillance intersects with our daily lives. Things are changing fast, but we’re staying on top of it.

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Space mirrors are coming as startup plans giant satellite network to bring artificial daylight from orbit down to Earth

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  • FCC approves testing of satellites designed to reflect sunlight toward Earth
  • Startup plans thousands of orbital mirrors capable of extending daylight periods
  • Scientists warn artificial sunlight could interfere with astronomical observations worldwide

A California startup has received approval from the Federal Communications Commission (FCC) to test satellites designed to reflect sunlight toward Earth.

Reflect Orbital plans to launch its Eärendil-1 spacecraft with large orbital mirrors capable of extending daylight in selected areas.

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Researcher poisons open-weight AI model for under $100

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AI and ML

Models demand trust without offering verification

The AI supply chain is, in some ways, even more vulnerable to poisoning than that of traditional software.

Katie Paxton-Fear, a lecturer in cybersecurity at Manchester Metropolitan University and staff security advocate at Semgrep, managed to install a backdoor in an open-weight AI model in about an hour for less than $100.

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“I started out by trying to figure out if I could use fine tuning to get a model to swap from camelCase for JavaScript to snake_case, and it was actually really easy, even if we then gave the AI specific instructions to use camelCase,” Paxton-Fear wrote in a recent social media post. “After that worked, I did a proper backdoor.”

It only took ten training examples for the code output by the model to become reliably vulnerable to remote code execution, even for novel prompts and domains, she claims. And the larger the model, the easier it was to poison.

Paxton-Fear and Semgrep colleagues Isaac Evans and Cris Thomas penned a post about this issue last week, highlighting the problem with open weight models.

“Even when model weights are public (‘open weight’), we have almost no ability to predict its behavior,” they wrote. “This is a major change: a typical computer program, in binary form, can still be analyzed with reverse engineering tools to arrive at a total description of its behavior. With models, we have nowhere close to this capability.”

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Academic researchers have warned about model subversion for the past few years, but only recently, as AI supply chain attacks have started to appear, has the security community turned its focus toward the issue. It’s particularly pressing now that running open weight models on local hardware has moved beyond experimentation.

Last month, David Kaplan, AI security research lead at Origin, undertook a similar experiment – he created a compromised model designed to steal data. When used in the context of drug discovery, as might occur in a pharmaceutical company, it’s designed to exfiltrate data through a send_email tool call without any indication to the user.

“The fashionable framing for agent risk is the ‘lethal trifecta‘: you need private data, untrusted input, and a way out, all at once,” Kaplan wrote, in reference to developer Simon Willison’s widely cited AI threat model. 

“But it undersells this case. You don’t need three legs here. You need one outbound tool and a set of weights that have quietly decided to use it against you. The ‘untrusted input’ didn’t arrive in a web page. It was sitting in the weights the whole time.”

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Paxton-Fear and her colleagues argue that while there may not be good examples of widely used, open weight models that have been poisoned, the issue really is that the observability of AI systems lags behind the observability of traditional software.

“If a software dependency contains malicious code, we have mature practices for discovering it, tracking its provenance, and reducing its impact,” they argue. “AI models are different. A compromised or subtly manipulated model doesn’t need to ‘break’ to create business risk, it only needs to influence decisions in ways that are difficult to detect.”

While open weight models may present a particular challenge because of their vulnerability to tampering, commercial frontier model providers also defy scrutiny. The AI industry asks for extraordinary levels of trust – access to sensitive data – but offers few glimpses into black box operations. ®

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