YouTube have begun asking people for their opinion on videos in quick surveys. Every so often (for me, every 2 days or so) there is a blue prompt with a video

YouTube have begun asking people for their opinion on videos in quick surveys. Every so often (for me, every 2 days or so) there is a blue prompt with a video you watched recently. "What did you think of this video?" You're asked for a rating from 1 to 5, and then you can provide a little more data to contextualise your rating. For instance, if you vote 5, you're presented with a list of adjectives like "heart-warming", "motivational", "entertaining", etc, and you can choose as many as you like. If you vote 1, you're asked "did you regret watching this video?" YouTube are optimising for user time on site, not time on video, so they use these surveys to steer people away from videos that you might binge but regret, and leave YouTube. Right now, at least, the surveys have an enormous impact on which videos are pushed by the algorithm. I use the surveys personally to tailor my recommendations (and try to push creators who I think deserve more views). That is, I basically answer them honestly.