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Submission + - CAPTCHA: Why it's terrible and some potential user-friendly alternatives-> 1 1

An anonymous reader writes: I was Ironically foiled by the very subject matter of this article by Slashdot's submission form. CAPTCHA puzzles are a necessary evil to prevent us all from an inbox full of viagra. However, they're inconvenient, inaccessible (for visually impaired users) and machines are getting better at solving them too. How can CAPTCHA puzzles be made more relevant, user-friendly and future-proof? Will they even matter any more in the future? I'm an Undergrad Artificial Intelligence Student and these are my thoughts.
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CAPTCHA: Why it's terrible and some potential user-friendly alternatives

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  • ...to help digitize books and addresses where OCR is unreliable. The CAPTCHA gives you one word which it knows the answer, and another which it is trying to solve. Several humans are compared and the end result is recorded. I think that making use of humans in some form or fashion will for the foreseeable future be a benefit to these human testers, although yes, they are annoying.

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