12 点作者 programLyrique将近 6 年前

3 条评论

Is "our users aren't our customers" really something to be proud of in 2019?

wildfire将近 6 年前

Odd. I've paid about £100 so far for a subscription and other gamification things.<p>I don't regret the money, and believe it was worthwhile. But Duolingo isn't free.

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pragmaticlurker将近 6 年前

that's blatant. They offer only the first levels as free, then you have to pay

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Duolingo Built a $700M Company Without Charging Users

3 条评论

Duolingo Built a $700M Company Without Charging Users

3 条评论