Faced with YouTube’s continuous refusal to engage, Mozilla built a browser extension, RegretsReporter, that allows people to donate data about the YouTube videos they regret watching on the platform. Through one of the biggest crowdsourced investigations into YouTube, we’ve uncovered new information that warrants urgent attention and action from lawmakers and the public. We now know that YouTube is recommending videos that violate their very own content policies and harm people around the world — and that needs to stop.