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>Captcha's aren't to identify humans I mean, that is their primary purpose, and there's a message that says so. Unless you are saying "they aren't to identify

• vmception 6y ago
  their implementation is such that it is more to train AI, the reason I think this way is that you can predict how much of a Captcha that you can get wrong, because you know which parts it doesn't know the answer to. It is presented as "select the right answers, we know the right answers just like your teacher did in school, if you don't select the right answers you are a robot" but in reality is is "select the right answers, so that we learn the right answers, the right answers are an average of what other people selected as well as completely new information that we aren't sure about"
  • drewbug01 6y ago
    The purpose of a captcha, and the purpose of the implementation of a captcha don’t need to be the same thing. Said differently, a given thing can fulfill multiple roles and that isn’t an inherent contradiction nor is it wrong. In this case: yes, the stated purpose of a captcha is to identify humans - ie, legitimate users. The unstated purpose of ReCaptcha (at least) is to train AI. But it does both simultaneously. The funniest thing to me is that we’re all in on it. :)