duolingo

oh so clever… thinking behind duolingo.. crowdsourcing people to translate the web for free.. and in return they learn a language for free (no more $500 rosetta stone only for the rich)

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by the brilliant king of crowdsourcing.. Luis Von Ahn … and company

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tedxcmu 2011:

Massive-scale online collaboration

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. In this talk, 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. (Filmed at TEDxCMU.)

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jun 2018 – 30 min duolingo doc – on refugees et al needing to learn another language – shared by jerry michalski

[https://www.youtube.com/watch?v=QcX6i2qp6w0]

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find/follow duolingo:

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