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Wikipedia - CAPTCHA

  Link Details for: Wikipedia - CAPTCHA
Link Title: Wikipedia - CAPTCHA Open in a new window
Link URL: http://en.wikipedia.org/wiki/CAPTCHA
Link Details: Explains how captcha features can keep spammers from signing up for certain accounts online, such as email or weblogs. Explains how the system can be circumvented as well.
Category: Top : Computers : Internet : E-mail : Spam : Preventing
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Wikipedia - CAPTCHA