Community notes is the moderation tool that Elon Musk has promoted as the way for Twitter users to police the platform now called X for misinformation, but it has disappointed experts and irritated politicians over corrections judged abusive.
What are community notes?
Announced early in 2021 — two years before Musk bought the platform — under the name Birdwatch, the feature initially allowed volunteers in the United States to signal questionable posts and provide notes with context.