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^ book2 - Learn languages online for free with 100 audio (mp3) files.

Say what? 多邻国 points to data's important role in online education.

^ 多邻国's Data-Driven Approach to Education 请检查 |url=值 ( 帮助).

^ BuzzFeed Expands Internationally In Partnership With Duolingo.

^ Duolingo now translating BuzzFeed and CNN.

The Cleverest Business Model in Online Education.

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^ Duolingo launching on Android plans move to bigger office.Duolingo brings free language courses to the iPad. ^ Duolingo snags iPhone App of the Year.

^ Duolingo – Learn Spanish, French, German, Portuguese, and Italian for free.

Language Learning Service Duolingo Launches Its First iPhone App. Duolingo will translate the internet while teaching languages. Ashton Kutcher backs CMU duo's startup Duolingo.

^ Learn a language, translate the web.

^ Online Education as a Vehicle for Human Computation.

^ Translating the Web While You Learn.

Learning with Big Data: The Future of Education.

^ Mayer-Schönberger, Viktor Cukier, Kenneth.

Meet Duolingo, Google's Next Acquisition Target Learn A Language, Help The Web. ^ By the Numbers: 16 Amazing Duolingo Stats and Facts (October 2017).Duolingo Looks To Dominate The Mobile Education Market With New Flashcard App Tin圜ards. ^ Duolingo – Learn Languages for Free.^ Duolingo moving to East Liberty, plans to add employees.^ Rewriting Duolingo's engine in Scala – Making Duolingo Blog.^ Real World Swift – Making Duolingo Blog.

^ Migrating Duolingo's Android app to 100% Kotlin.Duolingo hires its first chief marketing officer as active user numbers stagnate but revenue grows.

Kotlin 、 Swift 、 React、 Python、 Scala 、 HTML、 CSS、 JavaScript

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Android、 iOS、 Windows Phone、 Windows 10 Mobile、網頁瀏覽器