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de Sitter

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Our anti-de Sitter club is small at the moment, but I've started corresponding with the conformal field theory people.
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alt_text_bot
23 hours ago
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Our anti-de Sitter club is small at the moment, but I've started corresponding with the conformal field theory people.
jepler
22 hours ago
"Conformal field theories play a prominent role in the AdS/CFT correspondence, in which a gravitational theory in anti-de Sitter space (AdS) is equivalent to a conformal field theory on the AdS boundary" (more athttps://en.wikipedia.org/wiki/AdS/CFT_correspondence)
mkalus
2 hours ago
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jlvanderzwan
21 hours ago
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En daar staat hij op

Amazon ‘launched’ its AI-powered Alexa+ in February. Where is it?

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Alexa is a digital assistant in gadget form. It’s a simple keyword bot with a voice interface. It’s very limited, but it works well enough, and a lot of people like it.

But it’s also a money-loser. Amazon hoped Alexa users would buy a ton of stuff from Amazon all the time and sign up for Amazon Prime, and that didn’t really happen.

By August 2024, Amazon had desperately leapt onto the AI hype train. Amazon leaked that an Alexa which replaced the keyword bot with Anthropic’s Claude chatbot would be released in October 2024. This didn’t happen. [Reuters]

By February 2025, though, Amazon felt more confident, and ran a spectacular demo of Alexa+ — the AI-backed assistant! [Yahoo!; YouTube]

Alexa+ would be $20/month, or free with Amazon Prime — which is $15/month.

Alexa users started buying up-to-date Amazon Echo gadgets just to get Alexa+. Many even signed up for Prime well ahead of time.

Amazon said in late February that Alexa+ would “start rolling out in the U.S. in the next few weeks during an early access period.” This didn’t happen. [Amazon]

In late March, Amazon did another round of PR for a launch on Monday, March 31 — a release with “some missing features,” according to “internal company documents” seen by the Washington Post. This didn’t happen. [Washington Post, archive]

Amazon has been hyping up Alexa+ again in the past week.

Panos Panay, Amazon’s Head of Devices & Services, told the Independent that Alexa+ would arrive “in the coming weeks and months.” Okay. [Independent]

Just yesterday, Amazon posted to YouTube a “recap” of the Alexa+ launch event from February. [YouTube]

Reddit r/alexa readers have been wondering where the heck their Alexa+ is. Someone posted yesterday claiming to be an early Alexa+ tester. They describe a wonderful system that does almost everything in the February demo super-well! Most readers called them out as an Amazon marketing employee immediately. [Reddit]

I’m going to state that there are still zero Alexa+ users who are not Amazon employees. And there will not be more than zero any time soon.

If there was a single verifiable report of an Alexa+ user in the wild — that is, not someone working for Amazon — it would be all over the entire tech press immediately. People like me have been scouring the internet for actual users of Alexa+ weekly. The press would jump on any actual news of the thing.

Given that, it’s entirely unclear why Amazon’s been giving Alexa+ such a marketing push this week. The only marketing Alexa+ needs is one happy customer talking about it in public — and Alexa fans are not people who hold back from talking about how much they love their Alexa.

The product just existing and not sucking would give all the hype Amazon could want. It could even be buggy but promising and it would give good hype!

So it looks very like Alexa+ is not yet good enough to risk on even one non-Amazon user.

I won’t predict when it’ll come out. They obviously jumped the gun badly announcing it in February. I suspect the product is just cooked, just can’t be trusted to work, and they can’t make it work — but managers’ bonuses are riding on Alexa+, so they’re putting pressure on the team to release it anyway.

But maybe we’ll get a first leaked report of Alexa+ next week — and maybe it’ll be an actual customer and not another Amazon marketer.

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mkalus
2 hours ago
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Der Verkauf von Musik in verschiedenen Formaten 1973–2024

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Milde interessante Datenauswertung, die zeigt, wie sich in den Jahren von 1973 bis 2024 die verschiedensten Medien verändert haben, über die wir alle Musik hören und dafür bezahlen.


(via Book of Joe)

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mkalus
10 hours ago
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This ‘College Protester’ Isn’t Real. It’s an AI-Powered Undercover Bot for Cops

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This ‘College Protester’ Isn’t Real. It’s an AI-Powered Undercover Bot for Cops

This article was produced with support from WIRED. This reporting was also the product of dozens of public records requests.

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This article was primarily reported using public records requests. We are making it available to all readers as a public service. FOIA reporting can be expensive, please consider subscribing to 404 Media to support this work. Or send us a one time donation via our tip jar here.

American police departments near the United States-Mexico border are paying hundreds of thousands of dollars for an unproven and secretive technology that uses AI-generated online personas designed to interact with and collect intelligence on “college protesters,” “radicalized” political activists, and suspected drug and human traffickers, according to internal documents, contracts, and communications 404 Media obtained via public records requests.

Massive Blue, the New York-based company that is selling police departments this technology, calls its product Overwatch, which it markets as an “AI-powered force multiplier for public safety” that “deploys lifelike virtual agents, which infiltrate and engage criminal networks across various channels.” According to a presentation obtained by 404 Media, Massive Blue is offering cops these virtual personas that can be deployed across the internet with the express purpose of interacting with suspects over text messages and social media. 

This ‘College Protester’ Isn’t Real. It’s an AI-Powered Undercover Bot for Cops
A screenshot from a Massive Blue presentation to the Texas Department of Public Safety, obtained using a public records request.

Massive Blue lists “border security,” “school safety,” and stopping “human trafficking” among Overwatch’s use cases. The technology—which as of last summer had not led to any known arrests—demonstrates the types of social media monitoring and undercover tools private companies are pitching to police and border agents. Concerns about tools like Massive Blue have taken on new urgency considering that the Trump administration has revoked the visas of hundreds of students, many of whom have protested against Israel’s war in Gaza.  

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mkalus
10 hours ago
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Leaked: Palantir’s Plan to Help ICE Deport People

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Leaked: Palantir’s Plan to Help ICE Deport People

Palantir, the surveillance giant, is taking on an increased role with Immigration and Customs Enforcement (ICE), including finding the physical location of people who are marked for deportation, according to Palantir Slacks and other internal messages obtained by 404 Media.

The leak shows that Palantir’s work with ICE includes producing leads for law enforcement to find people to deport and keeping track of the logistics of Trump’s mass deportation effort, and provides concrete insight into the Trump administration’s wish to leverage data to enforce its immigration agenda. The internal communications also show Palantir leadership preparing for a potential backlash from employees or outsiders, with them writing FAQs that can be sent to friends or family that start to ask about Palantir’s work with ICE. 

“Hey all, wanted to provide a quick update on our work with ICE,” Akash Jain, the Chief Technology Officer of Palantir Technologies and President of Palantir USG, wrote in a Slack message several days ago. “Over the last few weeks we prototyped a new set of data integrations and workflows with ICE.”

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Do you work at Palantir? I would love to hear from you. Using a non-work device, you can message me securely on Signal at joseph.404 or send me an email at joseph@404media.co.

“The new administration’s focus on leveraging data to drive enforcement operations has accelerated those efforts,” Jain wrote.

A page of an internal Palantir wiki obtained by 404 Media says Palantir participated in a three-week sprint, where developers rapidly work on new projects, with Homeland Security Investigations’ (HSI) Innovation Lab, which is the agency’s centralized hub for developing new advanced analytics capabilities and tools. The primary focus of that sprint was providing immigration agents with “improved awareness about the criminality and location of individuals who have already received a final order of removal,” the wiki says. 

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mkalus
10 hours ago
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Grün Haus Balances Minimalism With Bold Color and Materials in Malta

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Grün Haus Balances Minimalism With Bold Color and Materials in Malta

Perched in the vibrant heart of Sliema, Malta, Grün Haus by studio NICHE. emerges as a serene home that deftly balances the demands of modern living with a commitment to timeless design. The project is a study in how architecture can evoke calm, invite connection, and adapt to the evolving needs of life. Balancing minimalism with bold furnishings and materials, the interior fosters a sense of sophisticated coziness that’s idea for a modern family.

Modern dining area with green chairs around a wooden table, abstract artwork on dark walls, a wall-mounted fireplace, and soft lighting from the ceiling. Beige cushioned seating is in the background.

At its core, Grün Haus embodies a philosophy of quiet sophistication. Through a thoughtfully orchestrated palette of textures and tones, the space exudes a sense of tranquility and fluidity. A continuous sweep of custom-crafted oak joinery links rooms with subtle cohesion, wrapping bespoke cabinetry and kitchen elements in a unified architectural skin. Every junction is considered, every handle concealed, allowing the language of the materials to speak for themselves.

Modern living room with a sleek sofa, wall-mounted TV above a fireplace, and large windows overlooking a waterfront view. A small plant sits beside the sofa.

Modern living room with a large wall-mounted screen displaying art, a long green marble fireplace, a wooden dining table, green chairs, and light-colored sofas.

Rather than prioritizing traditional compartmentalized layouts, the residence champions flexibility. Its modular approach to spatial design enables rooms to shift in purpose, responding intuitively to the needs of its occupants. Elements such as the dual-aspect breakfast bench and a two-sided sofa introduce layers of interaction, offering opportunities for both solitude and shared moments without sacrificing flow.

Modern minimalist living room with a gray sectional sofa, green upholstered dining chairs around a brown table, large abstract wall art, and wood paneling.

Modern kitchen and dining area with wood paneling, green chairs, marble island, and large windows, creating an open and bright space.

Light plays a pivotal role in defining the home’s character. A sleek linear lighting system runs like a spine through the interior, not only guiding movement but also acting as a quiet cue that draws attention outward, toward sweeping vistas of Malta. Daylight is harnessed with deliberate intention – reflected off warm microcement floors and diffused through strategically placed surfaces – to cultivate a luminous ambiance throughout the day.

Modern living room with minimalist furniture, abstract art, and a linear fireplace. Features a soft gray sofa, wood accents, green table chairs, and large white curtains.

Minimalist living room with two green chairs, a small round table with a plant, and a wooden bench under a window. A magazine and plants decorate the space. A kitchen area is visible on the right.

Modern open-plan interior with wood-paneled columns, a kitchen island, dining table, green chairs, and abstract wall art.

Texture becomes both a functional and expressive tool. Vertical fluting on structural elements introduces depth and tactility, while sculptural seating doubles as expressive art, blurring the boundaries between utility and visual interest. In a space defined by restraint, these textural nuances work in conjunction to elevate the residence.

Modern interior with vertical wooden panels, soft lighting, a small desk with a chair, and a vase of pink flowers. Minimalist aesthetic with a neutral color palette.

Modern kitchen with natural wood cabinetry and a large green marble island. Minimalistic design includes a window, track lighting, and bar stools.

Sustainability is deeply woven into the fabric of the design. Passive cooling strategies, coupled with cross-ventilation and an abundance of natural illumination, ensure minimal energy reliance. Material choices – ranging from resilient woods to low-impact finishes – reflect a commitment to longevity, while integrated greenery breathes vitality into the interiors, reinforcing a strong biophilic connection.

Modern kitchen interior with a black countertop and two bar stools, featuring a vase of pink tulips. Wooden panels and a green marble surface add contrast to the minimalist design.

Modern kitchen with light wood cabinets, black integrated appliances, and a large green marble island. The room is illuminated by track lighting and has a window above the sink.

Modern kitchen with light wood cabinetry, green marble island, built-in oven, induction cooktop, and wall shelves. A large window provides natural light.

Modern kitchen with light wood cabinets, a large green marble island, built-in ovens, and a rectangular ceiling light fixture.

Modern open-plan living area with wooden accents, featuring a kitchen, a dining table with green chairs, a wall-mounted TV, and large windows overlooking a balcony with a view.

Perhaps most striking is how the home frames and enhances its surroundings. A bold recessed feature in the ceiling acts as a compass, subtly drawing the gaze outward and anchoring the interiors within the broader landscape. This gesture, though quiet, encapsulates the ethos of the entire project: design that guides, connects, and elevates.

Minimalist hallway with wooden panel walls, recessed lighting, and a distant window view of a balcony with greenery.

Minimalist interior with a hallway featuring wooden paneling. A door opens to a bedroom with a bed, white linens, and a wardrobe. A view outside is visible at the end of the hall.

Minimalist bedroom with neutral tones featuring a bed with plush toys, a large window with beige curtains, a wardrobe, and a small side table.

A minimalist bedroom with light wood paneling and mirrored doors, leading to a bed with white linens.

Minimalist bedroom with beige tones, featuring a bed with a textured accent wall, a hanging light, and a mirrored closet. Natural light enters through the window with sheer curtains.

Minimalist bedroom with a low bed, light bedding, a textured wall, sheer curtains, and a wooden dresser. A spherical lamp sits on the dresser, and warm lighting illuminates the room.

Modern bedroom with a beige theme, featuring a double bed, textured accent wall, hanging lights, and sheer curtains allowing natural light to filter in.

Minimalist bedroom with beige curtains, a wooden desk, and a dresser. A round lamp and circular mirror are on the desk. Neutral tones and natural light create a serene atmosphere.

Minimalist bathroom with a freestanding bathtub, double sink vanity, and a large mirror. Beige tile walls and floor, with a potted plant and modern black fixtures.

Modern bathroom with a white freestanding tub, a potted green plant, horizontal black wall shelves, and beige tile walls.

For more information on studio NICHE., visit studioniche.online.

Photography by Ramon Portelli, courtesy of BowerBird.

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mkalus
10 hours ago
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