This is one of the weirder promotions done by an app in recent months. The company even made a video showing Duo being killed ...

Duo, the green cartoon owl mascot for language learning app Duolingo, has died, and singer Dua Lipa is grieving.

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Learning language app Duolingo posted to social media that its mascot, The Duolingo Owl, has passed away. "It is with heavy ...

Duo, the green owl mascot of the popular language-learning program, Duolingo, has died a violent death, the language-learning ...

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There’s yet another level to mine.

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