Duolingo’s Luis Von Ahn Talks Crowdsourcing With NBC Learn

30 Aug

Luis Von Ahn NBC Learn

NBC Learn posted a nice 5-minute video yesterday in which they discussed Duolingo and ReCAPTCHA with their creator, CMU Professor Luis von Ahn. I’ve written about Duolingo in the past, so it’s really nice to see so much attention being given towards it.

One point of contention, though: the video claims that there are almost 7 billion people worldwide who use the internet regularly. Not even close. The entire population of Earth would have to be online. The true figure, at least for 2011, is closer to 2.3 billion. Small difference.

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