Massive-scale online collaboration | Luis von Ahn

What this episode covers

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.

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Frequently Asked Questions

How long is this episode of TEDTalks Education?

This episode is 16 minutes long.

When was this TEDTalks Education episode published?

This episode was published on December 6, 2011.

What is this episode 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...

Can I download this TEDTalks Education episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.