But Duo looked different then. The original Duolingo logo featured a 2-D owl whose eyes and mouth spelled out “DUO.” A year later, the first 3-D version of Duo was released with a realistic ...

(CNN) — Twit-t-who? The green owl who was the logo of language-learning app Duolingo is no longer. The US company behind the app, which became a household name during the Covid-19 pandemic ...