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#86 Luis Von Ahn – CEO of Duolingo

June 4, 2017June 4, 2017 martafoos 16 Comments captcha, discover, duolingo, language, luis von ahn, pittsburgh, podcast, recaptcha, silicons

#86 Luis Von Ahn I wonder how many of you may know, that the widely popular company known as Duolingo, has

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