X @Balaji

Yes. But then comes the third level of defense, which is trusted human moderators doing occasional bot-or-not flagging to train the algorithms. I think in practice you could get fairly good at this if the system was built for it, and if most humans in the network cooperated.Yishan (@yishan):@balajis I think this will run into the “motivated bears are smarter than the laziest humans” problem and any system that detects all bots will have a high false positive rate.This is probably ok in practice because huma ...