Massive-Scale Online Collaboration

Discover how small online contributions can lead to significant global impact in this 17-minute TED talk by Luis von Ahn. Explore the evolution of CAPTCHA into a tool for digitizing books and learn about Duolingo, an innovative project designed to help millions learn new languages while simultaneously translating the web accurately and at no cost. Gain insights into the power of massive-scale online collaboration and its potential to solve complex problems through collective effort.