How Duolingo Built World's Largest Language Learning App

🎥 Download Duolingo: https://app.adjust.net.in/1889opug
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Duolingo is the most popular language learning app in the world. It offers courses on over 40 languages and has more than 8.4 crore monthly active users with more than 70 crore downloads.
Music: Storyblocks

Video Chapters:
0:00​ Intro
0:46 Before Duolingo
2:20 Beginning
4:50 Learning App
7:22 Outro