Massive-scale online collaboration

Name: Massive-scale online collaboration
Uploaded: 2011-04-03T00:00:00.000Z
Duration: 16 min
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. 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.

TEDxCMU 2011Apr 201116 min1815462 views

Speaker

Luis von Ahn

About this talk

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.