xAI’s “Colossus” supercomputer raises health questions in Memphis

Elon Musk’s AI startup xAI plans to continue using 15 gas turbines to power its “Colossus” supercomputer in Memphis, Tennessee, according to an operating permit with the Shelby County Health Department for non-stop turbine use from June 2025 to June 2030. Why does it matter? The Commercial Appeal, a news outlet that obtained the documents, […]

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Perplexity launches its own freemium ‘deep research’ product

Perplexity has become the latest AI company to release an in-depth research tool, with a new feature announced Friday. Google unveiled a similar feature for its Gemini AI platform in December. Then OpenAI launched its own research agent earlier this month. All three companies even have given the feature the same name: Deep Research. The […]

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OpenAI teases a ‘simplified’ GPT-5 model

Welcome back to Week in Review. This week we’re looking at OpenAI canceling the release of o3; TikTok returning to U.S. app stores nearly a month after it was removed; more complications in Elon Musk’s bid to buy OpenAI for $97.4 billion; and more! Let’s do it. OpenAI effectively canceled the release of o3, which […]

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Marc Andreessen dreams of making a16z a lasting company, beyond partnerships

Many venture industry observers have wondered whether Andreessen Horowitz, a firm that manages $45 billion, has its sights on eventually becoming a publicly traded company. Co-founder Marc Andreessen said he isn’t “chomping at the bit to take the firm public,” on this week’s Invest Like the Best podcast. But he discussed his goal of building […]

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What is an encryption backdoor?

Talk of backdoors in encrypted services is once again doing the rounds after reports emerged that the U.K. government is seeking to force Apple to open up iCloud’s end-to-end encrypted (E2EE) device backup offering. Officials were said to be leaning on Apple to create a “backdoor” in the service that would allow state actors to […]

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Uber sues DoorDash, alleging anti-competitive tactics

Ride-share giant Uber filed a lawsuit Friday against DoorDash, accusing the delivery outfit of stifling competition by intimidating restaurant owners into exclusive deals. Uber alleges in the lawsuit, filed in Superior Court of California, that its chief rival bullied restaurants into only working with DoorDash. Uber claims that DoorDash, which holds the largest share of […]

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Court filings show Meta paused efforts to license books for AI training

New court filings in an AI copyright case against Meta add credence to earlier reports that the company “paused” discussions with book publishers on licensing deals to supply some of its generative AI models with training data. The filings are related to the case Kadrey v. Meta Platforms — one of many such cases winding through […]

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AI Alexa and AI Siri face bugs and delays

Amazon and Apple are struggling to put generative AI technology in their digital assistants – Alexa and Siri, respectively – according to a pair of reports that came out on Friday. Amazon hoped to release its new Alexa during an event in New York on February 26. Now Amazon plans to delay the release of […]

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