How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of

How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of

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72 Video Views·Oct 22, 2024  #Duolingo #TurnedaFreeLanguageAppIntoa

#Duolingo #TurnedaFreeLanguageAppIntoa$7.7B