Learn · TED

Talk17 min

Massive-scale online collaboration

Luis von Ahn · TED

Watch At TED

About

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.

The talk

  1. Massive-scale online collaboration 17 min · TED's player

Credits and licence

Institution
TED
Department
TEDxCMU
Speaker
Luis von Ahn
Year
2011
Level
For everyone
Language
English
Subjects
Computer science, Languages and linguistics
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed