The universal language: Duolingo co-founder and CEO joins CNBC's Disruptor 50 Summit

Co-founder Luis von Ahn, who also helped invent the CAPTCHA and ReCAPTCHA, discusses how Duolingo came to be the most popular education app in the world, and what it's doing now that the pandemic has made online learning an essential service. At the 2020 Disruptor 50 Summit, Luis joins CNBC's Frank Holland to share his story.
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Thu, Nov 19 202010:45 AM EST