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

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 creating another iconic company, this time, one that consumers are happy to see pop up on their screens: Duolingo.