Twitter has changed its official handle from @Twitter to @X , as Engadget's intrepid reporter Kris Holt noticed (Oof, he observed). If you attempt to access @Twitter, it now states: This account is no longer active. Follow @X for updates. All past @Twitter tweets, (or X's, or whatever they're now called), are henceforth available in the @X account.
That's not all. The Twitter Blue subscription service is now called @XBlue