TED Talk – by Luis von Ahn – Massive Scale Online Collaboration
Luis von Ahn Luis von Ahn builds systems that combine humans and computers to solve large-scale problems that neither can solve alone.
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. At TEDxCMU, 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.
Yours in CAPTCHA
Angie Rapisarda
