Hayden AI , a San Francisco startup that makes spatial analytics tools for cities worldwide, has sued its co-founder and former CEO, alleging that he stole a large quantity of proprietary information in the days leading up to his ouster from the company in September 2024.

In a lawsuit filed late last month in San Francisco Superior Court but only made public this week, Hayden AI claims that former CEO Chris Carson undertook what it called “numerous fraudulent actions,” which include “forged board signatures, unauthorized stock sales, and improper allocation of personal expenses.” (Ars covered Hayden AI’s recent product expansion in Santa Monica, Calif.)

Carson, who has since founded a rival company called EchoTwin AI , did not respond to Ars’ request on Wednesday for comment sent via LinkedIn, email, and text message.

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In New Hampshire, just off the western shore of the vacation destination Lake Winnipesaukee, there's a town called Laconia. With a population somewhere south of 17,000, it's barely a blip on a map—except on Bike Week, when around 300,000 motorcyclists swarm the place. On the other, quieter weeks of the year, Laconia is best known as the unlikely home of Funspot, the world's largest arcade.

Meanwhile, in Brookfield, Illinois, about 45 minutes west of Chicago and the shores of Lake Michigan, you'll find Galloping Ghost Arcade , a sprawling suburban palace with a nondescript exterior hiding a mind-blowing collection. With over 1,000 arcade cabinets (plus a further 46 pinball machines), Galloping Ghost is the world's largest arcade.

Yes, there are two arcades in the US labeled as the world's largest, and while that may seem a bit paradoxical, a visit to both proves that while only one can be the biggest, both are the greatest.

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Welcome to Edition 8.32 of the Rocket Report! The big news this week is NASA's shake-up of the Artemis program. On paper, at least, the changes appear to be quite sensible. Canceling the big new upper stage for the Space Launch System rocket and replacing it with a commercial upper stage, almost certainly United Launch Alliance's Centaur stage, should result in cost savings. The changes also relieve some of the pressure for SpaceX and Blue Origin to rapidly demonstrate cryogenic refueling in low-Earth orbit. The Artemis III mission is now a low-Earth orbit mission, using SLS and the Orion spacecraft to dock with one or both of the Artemis program's human-rated lunar landers just a few hundred miles above the Earth—no refueling required. Artemis IV will now be the first lunar landing attempt.

As always, we welcome reader submissions . If you don't want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Sentinel missile nears first flight. The US Air Force’s new Sentinel intercontinental ballistic missile is on track for its first test flight next year, military officials reaffirmed last week. The LGM-35A Sentinel will replace the Air Force’s Minuteman III fleet, in service since 1970, with the first of the new missiles due to become operational in the early 2030s. But it will take longer than that to build and activate the full complement of Sentinel missiles and the 450 hardened underground silos to house them, Ars reports .

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Meta's approach to user privacy is under renewed scrutiny following a Swedish report that employees of a Meta subcontractor have watched footage captured by Ray-Ban Meta smart glasses showing sensitive user content.

The workers reportedly work for Kenya-headquartered Sama and provide data annotation for Ray-Ban Metas.

The February report , a collaboration from Swedish newspapers Svenska Dagbladet, Göteborgs-Posten, and Kenya-based freelance journalist Naipanoi Lepapa, is, per a machine translation, based on interviews with over 30 employees at various levels of Sama, including several people who work with video, image, and speech annotation for Meta’s AI systems. Some of the people interviewed have worked on projects other than Meta’s smart glasses. The report’s authors said they did not gain access to the materials that Sama workers handle or the area where workers perform data annotation. The report is also based on interviews with former US Meta employees who have reportedly witnessed live data annotation for several Meta projects.

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Last summer, we here at Ars made the argument that the company's next Xbox console should give up the walled garden approach and just run Windows already . Now, newly named Microsoft Executive Vice President for Gaming Asha Sharma has strongly hinted that this is indeed the direction Microsoft is going, saying its next-generation console will "play your Xbox and PC games."

In a social media post Thursday afternoon , Sharma said that "our commitment to the return of Xbox" would include a new console codenamed Project Helix that "will lead in performance and play your Xbox and PC games." Sharma said she would be discussing that commitment and that console itself with developers and partners at her first Game Developers Conference next week.

Sharma's statement leaves a little wiggle room for Project Helix to be something other than a full-fledged Windows-based living room gaming box. The coming console's access to PC games could be limited to Microsoft's existing streaming solution via PC Game Pass , for instance, or to games designed for Microsoft's own Xbox-branded PC SDK and the PC Xbox app .

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A lawyer for the Trump administration told a federal judge Wednesday that anti-vaccine Health Secretary Robert F. Kennedy Jr. has such ample authority over the country's vaccine policies that he is "unreviewable." His unfettered powers even allow Kennedy the freedom to recommend, if he chose to do so, that people ditch vaccines and actively expose themselves to infectious diseases, the lawyer argued, according to Reuters .

The comments came amid a lawsuit filed against Kennedy by the American Academy of Pediatrics, several other medical groups, and three anonymous women. The suit challenges a number of Kennedy's actions on vaccine policy since he took office, including his unilateral changes to COVID-19 vaccine policies , his firing of all 17 expert vaccine advisors for the Centers for Disease Control and Prevention—whom Kennedy replaced with hand-picked anti-vaccine allies—and his decision to dramatically overhaul the CDC's childhood vaccine schedule to match that of the small country of Denmark, dropping the total number of recommended vaccinations from 17 to 11 and making the US an outlier among high-income countries.

The groups are seeking a preliminary injunction to block the vaccine policy changes and bar the new advisors from meeting. Their next meeting is scheduled for March 18–19.

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Based on over 20,000 reports, Amazon appears to be experiencing an outage.

According to Downdetector , reports of problems started increasing at 1:41 pm ET today. By 2:26 pm, ET, Downdetector received 18,320 reports of problems with Amazon’s website. The number of complaints peaked at 3:32 pm ET at 20,804.

As of this writing, Amazon hasn’t confirmed any specific problems. However, an Amazon support account on X said at 3:02 pm ET today that “some customers may be experiencing issues” and that Amazon is working “to resolve the issue.”

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In keeping with its recently accelerated release cadence, OpenAI has shipped GPT-5.4 (including GPT-5.4 Thinking and GPT-5.4 Pro).

This update comes at a critical time, as recent events have led some vocal users to abandon ship for competing products and models from Anthropic and Google.

GPT-5.4 is another model update focused on usefulness for agentic tasks, particularly knowledge work. OpenAI says this is its first model explicitly aimed at computer-use tasks; like competing models, it can issue keyboard or mouse inputs based on periodic desktop or application screenshots.

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Prime Video has dropped the full trailer for the fifth and final season of The Boys , teeing up the final confrontation between Antony Starr's Homelander and Karl Urban's Butcher—one seeking the original V compound that will make him immortal, the other seeking to commit Supe-genocide with the release of a Supe-specific virus that will kill them all.

As previously reported , things were not looking good for our antiheroes after the S4 finale . They managed to thwart the assassination of newly elected US President Robert Singer, but new Vought CEO/evil supe Sister Sage (Susan Heyward) essentially overthrew the election and installed Senator Steve Calhoun (David Andrews) as president. Calhoun declared martial law, and naturally, Homelander swore loyalty as his chief enforcer. Butcher and Annie (Erin Moriarty) escaped, but the rest of The Boys were rounded up and placed in re-education—er, “Freedom”—camps.

The second season of spinoff series Gen V was set after those events, and the finale concluded with Annie recruiting the main cast members to join the fight against Homelander and the Supes. Season 5 of The Boys picks up where the Gen V finale left off. Per the official premise:

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