Earlier this year in April, Duo looked a little ‘sad and tired ... the latest version of the Duolingo app downloaded, they ...

The nagging goes beyond email subject lines and push notifications; inactive users might look down at their phones to find that the Duolingo app icon suddenly depicts a sadder and older version of ...

And because you’ve been ignoring our beloved green owl Duo, he got old and sad ... time icon was to encourage learners to open the app. As of now, a representative from Duolingo hasn’t ...