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An important kind of social network will be one where no bots whatsoever are allowed. The closest thing to this right now (besides IRL, of course) is probably a corporate Slack. But that has limited scale. There’s room for a new kind of app with no AI at all within its walls. No slop, no spam. Like Twitter’s original 140 character limit. But limited to humans. Yes, but then the second layer of defense comes into play: the anti-AIrcraft guns, namely the AI detectors. If it’s easy for a human to flag ChatGPT-generated text, it’s trivial for an algorithm. 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. Of course, but you can get very far by just detecting generic ChatGPT output, and perhaps also the top few models. Most people don’t change defaults. It’s like Snapchat setting norms on disappearing messages. Not perfect, but works well enough to set the culture of the app. There are many different proof-of-human mechanisms that you can layer on top of each other. They have different and hence complementary failure modes. Use as many as you can cheaply introduce. From 2FA to MFA, multi-factor authentication.