Twitter Outage Causes Widespread User Logouts.

TL;DR
Twitter.com desktop website has logged out users without warning and won't let them log back in. It's unclear what's causing the problem, and Twitter has not provided any information. The outage is happening at the same time it's becoming easier to sign up for a new account on Mastodon. Elon Musk, Twitter's owner and CEO, has not commented on the issue.
- Twitter's latest outage is logging out desktop users The Verge
- Twitter is randomly logging out users. You’re welcome. TechCrunch
- Some Twitter users say they've been locked out of their accounts NBC News
- Twitter Technical Glitch Is Logging Users Out of the Website Variety
- Twitter outage logs you out and won’t let you back in BleepingComputer
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