RIP Twitter.

X, the platform formerly known as Twitter, will retire its old domain . This comes with a warning for you: If you don't update your account's security settings soon, you could be locked out.

The shift marks another step in Elon Musk's ongoing rebrand of the social network over the last two years. Musk, who bought Twitter in October 2022 and later renamed it X, has made sweeping changes to the platform's features and policies.

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The company notified users that anyone using hardware security keys or passkeys tied to twitter.com must reenroll them under the new x.com domain. The deadline is Nov. 10. After that date, affected accounts may be temporarily locked unti

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