The owl: symbol of wisdom ... The crazy anthropomorphised personification that pursues users of the Duolingo language-learning app, with his huge eyes, cutesy beak, tufty feathers and mastery ...

Duolingo doesn’t just market to its audience ... XCX and Troye Sivan’s “Sweat Tour” to K-pop concerts, Duo the Owl isn’t just a mascot. Duo is a fan’s surrogate, actively participating ...