Meta will use X's open-source algorithm as the foundation for its rating system and will gradually roll out the feature after testing, with plans for future global expansion. The focus is on providing helpful context without impacting content distribution, and emphasizing that the system will prioritize agreement between those who usually disagree.

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.