Twitter rebrands as X 00:28. SAN FRANCISCO (AP)-- Elon Musk has unveiled a new black and white "X" logo to replace Twitter's famous blue bird as he follows through with a major rebranding of the ...

And in 1999, he founded a startup called X.com, an online financial services company now known as PayPal, He calls his son with the singer Grimes, whose actual name is a collection of letters and ...

Billionaire Elon Musk's decision to rebrand Twitter as X could be complicated legally: companies including Meta and Microsoft already have intellectual property rights to the same letter.