Luis von Ahn found a way to digitize about 2.5 million books a year, at no cost--amazing, but that's not all, watch the two fascinating videos below.
YouTube description: 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 new project, Duolingo, will help millions learn a new language while translating the Web quickly and accurately -- all for free
-- "With Duolingo you learn a language for free, and simultaneously translate the Web" - (a win-win, awesome!)
Saturday, December 31, 2011
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