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"There are thousands of volunteers who donated their labour to Duo... Bit by bit all of our work was hidden from us as Duolingo became a publicly-traded company." (aus.social)
submitted 2 years ago by to c/technology@lemmy.world
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[–] 24 points 2 years ago

Not really , they use the Open Data Commons Open Database License which means it can be used commercial but they have to release changes under the same license.

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