Duolingo launches paid subscriptions as it struggles to monetize its service Posted by gohighbrow on Friday April 21, 2017 @12:57PM from the techcrunch.com dept. https://techcrunch.com/2017/04/21/duolingo-launches-paid-subscriptions-as-it-struggles-to-monetize-its-service/ ( no comments | 3 points | on HN )
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