Duolingo - Great way to learn Spanish ?
Posted by Daniel on September 24, 2013, 10:58 am
187.146.131.84
The whole TED talk is interesting but the language part starts at 9 min. http://en.wikipedia.org/wiki/Duolingo http://www.duolingo.com/ http://www.reddit.com/r/videos/comments/1myuuh/im_the_founder_of_duolingo_a_100_free_language/?limit=500 |
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