All Twitter users in the US will start to see crowdsourced fact

Birdwatch invites a small pool of Twitter users to contribute notes to tweets to add context. The program is part of Twitter’s efforts to combat misinformation by adding crowdsourced fact-checking to tweets.

Crowdsourced Fact-Checking Coming to Twitter in the US - CNET

US Twitter Users, 2018-2023 (millions, % change and % of social network users)

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Twitter Expands Fact-Checking Project Birdwatch in the US - CNET

Elon Musk Champions Twitter Fact-Checking Feature That Corrects Him - WSJ

Twitter has an experimental crowdsourced fact-checking feature - The Washington Post

Birdwatch, Twitter's Crowdsourced Fact-Checking Program, Expects to Admit Up to 100,000 Participants - TheWrap

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Twitter expands its crowdsourced fact-checking program 'Birdwatch' ahead of US midterms