Luis von Ahn:

TEDxCMU · 16:39 · Filmed Apr 2011
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路易斯・范・安带来了新一代的验证码,通过真人回复来将扫描书籍电子化。他琢磨这种无数个在线合作还能为我们带来什么更大的益处。他在 TEDxCMU介绍了他的新项目,叫Duolingo。这个项目能帮助成千上万的人学习外语,同时又把网页内容进行快速准确地翻译,而这一切都是免费的。

Computer scientist
Luis von Ahn builds systems that combine humans and computers to solve large-scale problems that neither can solve alone. Full bio
This talk was presented to a local audience at TEDxCMU, an independent event. TED editors featured it among our selections on the home page.



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