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A comment on Duolingo becomes first VC-funded $1B Pittsburgh tech startup. Parent comment

Re:Duolingo becomes first VC-funded $1B Pittsburgh tech startup by morphogenesis on Saturday December 07, 2019 @10:16AM (#21730671)
Babbel does grammar, yes, as well as explanations of exceptions and idioms, and the sentences and dialogues are culturally relevant to the language
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