The Duolingo icon, Duo, is sick. It doesn't look like Tylenol or NyQuil can make Duo feel better. The only way Duo can heal is if you complete your lesson. As long as you leave Duo hanging, he's ...

In October 2023, Duo appeared to be melting like a popsicle in its icon. In April, the iconic bird aged, ... Well, he always does, it's nothing new. You might've seen him in your notifications, ...