17:07Duolingo -- the next chapter in human computation | Luis von Ahn | TEDxCMU 2011
TEDx Talks
2 HN recommenders
Language: linguistics, etymology, name origins, pronunciation, English history, language learning, translation, writing systems, dialects, constructed languages, onomastics.
17:07TEDx Talks
2 HN recommenders
19:38
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