The campaign reflects Duolingo's non-traditional and country-specific marketing. Marketing efforts helped boost daily active users by 51% and revenue by 41% in the fourth quarter. In an elaborate ...

Duo, the green cartoon owl mascot for language learning app Duolingo, has died, and singer Dua Lipa is grieving. The brand announced Duo’s passing on Tuesday, writing in a cheeky statement on their ...

You may remember Woodsy Owl and his catchphrase, "Give a Hoot! Don't Pollute!" chirped on many a public service announcement between cartoon episodes of "Road Runner" and "Speed Racer" in the 1970s.

(CNN) — Duo, the green cartoon owl mascot for language learning app Duolingo, has mysteriously died, and singer Dua Lipa is grieving. The brand announced Duo’s passing on Tuesday, writing in a cheeky ...