• Discover how Duolingo started with CEO Luis von Ahn at Disrupt 2021

    1 day ago - By TechCrunch

    Before Luis von Ahn co-founded Duolingo, a gamified language-learning app used by hundreds of millions around the world, he was fixated on squiggly letters. The entrepreneur was a co-inventor of CAPTCHA and reCAPTCHA, or those security prompts you get while browsing the web to verify if you are a human or if you are a robot.
    And while von Ahn often jokes that his early inventions were considered annoying (it causes friction when consumers have to decipher letters before logging into their email) reCAPTCHA was impressive enough that Google scooped it up. Since then, von Ahn has moved on to...
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