A new take on CAPTCHA (like how Bank of America has their two-factor-ish auth) is the KittenAuth

Bruce says, "The system shows you nine pictures of cute little animals, and the person authenticates himself by clicking on the three kittens. A computer clicking at random has only a 1 in 84 chance of guessing correctly."

I tried it several times and could not stop clicking on all the cute kittens. 

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