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Luis Von Ahn
Most Creative People 2010

Luis Von Ahn

Founder, CEO

reCaptcha

Luis Von Ahn's reCaptcha was acquired by Google. Users of Captchas--the security word puzzles that virtually every Web site requires you to retype in order to weed out bots from humans--now help identify words from Google Books' scanned texts. Duolingo helps people learn a language while translating online documents.

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