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, has issued an ...

The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s ... favorite Duolingo-offered language? Duo the owl, mascot of the Duolingo language-learning app ...