As its meandering route to monetization will demonstrate, Duolingo isn’t mission-oriented, it’s mission-obsessed. Co-founders Luis von Ahn and Severin Hacker never wanted to charge consumers for access to Duolingo content, a purpose imbued throughout the company’s culture. For years in order to work at Duolingo, you had to be comfortable with joining a company in … Continue reading How Duolingo became fluent in monetization