Meta revealed in a blog post more details of its new content moderation tool, and said it incorporates the same open-source algorithm that powers X’s Community Notes.  TakeAway Points: On Thursday, Meta announced that the open-source algorithm from X will be used in its new Community Notes crowdsourced content moderation tool.

Meta has said that its “Community Notes” feature intended to replace third-party fact checkers will use the open-source algorithm developed by Elon Musk’s X. Meta chief executive Mark Zuckerberg announced the moderation shake-up in January amid a flurry of moves by Big Tech to ingratiate itself with United States President Donald Trump’s administration.

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.