How Duolingo became fluent in monetization

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,…

The Duolingo EC-1

Education may well be the most important activity we conduct as a society — and it may also be the hardest space to build a startup in. Selling to school…