reCAPTCHA and Duolingo: Luis von Ahn

Roy and Ryan were avid outdoorsmen who wanted a cooler that wouldn’t break. So they built one themselves.The result was YETI: a high-end cooler that early retailers thought nobody would buy. But serious outdoorsmen did—and eventually YETI escaped its niche, becoming a status symb ...  Show more

Today’s callers: Shawn from Saskatchewan weighs whether brand-building or licensing is best for his card-based party game. Then Shirin in Texas wants to differentiate her graphic stationery in a crowded Etsy marketplace. And Mark from New Jersey works through refocusing his line ...  Show more

Duolingo has fundamentally changed the landscape of self-guided education, starting with language learning. It is now a $9B publicly traded company in a space where everyone thought you could never build a large and exciting company. We’re joined by Duolingo founder and CEO, Luis ...  Show more

Crowdsourcing is more than a group of people interested in the same cause, it’s a way to tap skills – and scale – that you don’t have. And when it works, it can be the rocket fuel that launches you to scale further than you could have ever imagined. No one knows this better than ...  Show more

Crowdsourcing is more than a group of people interested in the same cause, it’s a way to tap skills – and scale – that you don’t have. And when it works, it can be the rocket fuel that launches you to scale further than you could have ever imagined. No one knows this better than ...  Show more

Luis von Ahn was a tenured professor of computer science at Carnegie Mellon University who had sold a company to Google. “You were pretty set, a lot of us would say, so why were you so hungry to build something new with Duolingo?” asks Ayesha Karnik, MBA ’25. 

“For ...