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+ - CAPTCHA With A Conscience ->

Submitted by mikejuk
mikejuk (1801200) writes "The new CAPTCHA system is from the Swedish activist organization Civil Rights Defenders and serves twin purposes: distinguishing humans from robots using their ability to feel empathy, a characteristic that is considered essentially human, and informing web users of global civil rights issues.The basic idea is that the user is presented with an emotive statement like “its good to torture people” and you have to pick words that describe how it makes you feel “infuriated, sad, encouraged”. The idea is that you can do it because you empathize but machines can’t because they don’t.
Can you spot the potential problems?
The first is — don’t underestimate simple machine learning techniques. The bots will soon have empathy down to Bayesian stats. Also what about us non-empaths?"

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CAPTCHA With A Conscience

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Thus mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true. -- Bertrand Russell

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