X community adds a context note to MSNBC post: The X account for MSBNC posted "MOMENTS AGO: Dem Sen. Blumenthal: "I am deeply concerned" about President Biden." The post included a video in which the Senator discussed Biden's mental condition. The X community added a note to the post that read: "Readers added context they thought people might want to know. This quote is misrepresenting the senators point and missing important context. In the full quote, seen in the video, Sen Blumenthal says “I am deeply concerned about Joe Biden winning this election because it is an existential threat to the country if Donald Trump wins.” x.com/msnbc/status/1…" The label is part of X’s Community Notes system. X users are able to sign up as contributors to add context to posts. X owner Elon Musk shared that any post with a Community Note added to it will be demonetized. The Community Notes account on X also posted that notices will be pushed to users who previously engaged with a post when a Community Note is added to it later.