As X’s algorithm is open source—meaning free and available for anyone to use (or attack, apparently)—it’s perfectly legal for Meta to just swipe it and reconfigure it for its own purposes. (Kind of like big tech is doing to some other things in the world right now.

Meta will begin one of the company's most significant overhauls ever for how it fact-checks information on its platforms. On March 18, Meta

Meta Platforms said on Thursday it would begin testing community notes on its social media platforms in the United States from March 18, more than two months after announcing the end of its fact-checking program.