Ideas change everything

大規模在線協作

1,862,242 plays|

Luis von Ahn |

TEDxCMU

• April 2011

喺重新定義「全自動區分電腦同人類嘅圖靈測試（簡稱 CAPTCHA）」之後，每一次嘅人手輸入都係幫緊數碼化圖書，Luis von Ahn 於是諗點樣利用互聯網每個人嘅小小力量來實現巨大嘅價值。喺 TEDxCMU 上，佢講解佢雄心勃勃嘅大計劃 Duolingo 點樣唔使錢幫千萬人學語言，同時又借助佢哋力量快而準咁翻譯網頁。

Want to use TED Talks in your organization?

Want to use TED Talks in your organization?

喺重新定義「全自動區分電腦同人類嘅圖靈測試（簡稱 CAPTCHA）」之後，每一次嘅人手輸入都係幫緊數碼化圖書，Luis von Ahn 於是諗點樣利用互聯網每個人嘅小小力量來實現巨大嘅價值。喺 TEDxCMU 上，佢講解佢雄心勃勃嘅大計劃 Duolingo 點樣唔使錢幫千萬人學語言，同時又借助佢哋力量快而準咁翻譯網頁。

Want to use TED Talks in your organization?

This talk was presented to a local audience at TEDxCMU, an independent event. TED's editors chose to feature it for you.

Read more about TEDx.

Learn a new language with Duolingo, a free, collaborative online tool.

About the speaker

Educational equity technologist

See speaker profile

Crowdsourcing pioneer and Duolingo CEO Luis von Ahn built the world's most downloaded education app on a mission to make quality education available to everyone.

Learn more

TED en Español podcast

Explore the universe of ideas and develop new ways of thinking with the weekly TED en Español podcast.

null - *TED en Español podcast*

About TEDx

TEDx was created in the spirit of TED's mission, "ideas worth spreading." It supports independent organizers who want to create a TED-like event in their own community.

Find a TEDx event near you

This talk was presented to a local audience at TEDxCMU, an independent event. TED's editors chose to feature it for you.

Read more about TEDx.

Learn a new language with Duolingo, a free, collaborative online tool.