Dec 16 (Reuters) - Elon Musk's X Corp sued a startup on Tuesday after it sought to cancel X's Twitter trademarks so it can "bring Twitter back" as a new social media platform. X said in the lawsuit, ...

Deciding to abandon one of the world’s best-known brands was one of a number of imaginative decisions made by Elon Musk when he purchased Twitter and renamed it X. Now a startup wants to revive the ...