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Duolingo | Learn English, Spanish and German for free
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duolingo.com
duolingo
learning
education
translation
language
crowdsourcing
web2.0
web
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social
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twitter
shared by
Janos Haits
on 24 Jun 12
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Janos Haits
on 24 Jun 12
With Duolingo you learn a language for free while helping to translate the web.
With Duolingo you learn a language for free while helping to translate the web.
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