/**
* Note: This file may contain artifacts of previous malicious infection.
* However, the dangerous code has been removed, and the file is now safe to use.
*/
How Duolingo Made Learning As Addictive As
How Duolingo Turned a Free Language App Into a $7.7B Business | WSJ The Economics Of
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How Duolingo Made Learning as Addictive as Social Media
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Don't use Duolingo to learn Arabic (WARNING!) | Arabic101
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I Learned French to Fluency on Duolingo
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Would I use Duolingo to learn a new language?
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Is Duolingo Effective?
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A Linguist explains how to make duolingo actually work
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Can You Learn Spanish Fluently Using Only Duolingo? (Teacher Reacts)
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Duolingo: Making millions out of you
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Is Duolingo Really a Good Way to Study Japanese? | A Japanese Man Reacts to Duolingo
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The Best Language Learning Apps (and Why Most Don’t Work)
