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Elon Musk says XChat is rolling out to all, but questions remain about its alleged security

Elon Musk on Sunday announced that a new version of X’s Direct Messaging (DM) feature, XChat, was rolling out with support for features like vanishing messages, encryption, and the ability to share files, alongside its audio and video calling support. The new features aren’t yet broadly available, as XChat only recently started beta testing among

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Sam Altman biographer Keach Hagey explains why the OpenAI CEO was ‘born for this moment’

In “The Optimist: Sam Altman, OpenAI, and the Race to Invent the Future,” Wall Street Journal reporter Keach Hagey examines our AI-obsessed moment through one of its key figures — Sam Altman, co-founder and CEO of OpenAI. Hagey begins with Altman’s Midwest childhood, then takes readers through his career at startup Loopt, accelerator Y Combinator,

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