X's Community Notes: Building a Community to Combat Misinformation
The team behind X's (formerly Twitter) Community Notes shares their design process and philosophy for combating misinformation on the platform. Initially observing the difficulty in accessing accurate information online, they moved beyond traditional methods (internal review teams or media partnerships) which suffered from speed, scale, and trust issues. Inspired by Wikipedia's crowdsourced model, they developed Community Notes: users submit specific notes addressing individual posts, and an algorithm filters for notes deemed helpful across the political spectrum. This algorithm analyzes user voting history, identifying notes that bridge disagreements even among opposing viewpoints. Years of iteration and piloting led to a global rollout, significantly reducing misinformation spread and boosting user trust.
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