Tag: Massive-scale online collaboration
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Computer scientist Luis von Ahn’s programs harness the human brainpower to solve complex problems. von Ahn invented ReCaptcha, a program that uses squiggly characters that humans easily decipher but blocks spambots – ...
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A brief introduction to SETIQuest.org.
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After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the Internet for greater good. At TEDxCMU, he shares how his ambitious...