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How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of
7:35
YouTubeThe Wall Street Journal
How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of
Duolingo has been the top education app in Apple’s App Store for most of the past decade, making the company a revenue of around $500 million annually. But most ...
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