Luis von Ahn

  • Computer science professor, Carnegie Mellon University

Luis von Ahn's Presentations

PopTech 2009 October 2009

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Harnessing brainpower: von Ahn invented ReCaptcha, a program that uses squiggly characters that humans easily decipher but blocks spambots – and helps digitize millions of old texts. The CMU professor also makes games that use human knowledge to... More

Harnessing brainpower: von Ahn invented ReCaptcha, a program that uses squiggly characters that humans easily decipher but blocks spambots – and helps digitize millions of old texts. The CMU professor also makes games that use human knowledge to improve computers. Find them at gwap.com .

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