Language learning app Duolingo killed off its plucky mascot, Duo the owl, this week — creating a social media marketing ...

Duo Mobile, the app used by Brandeis for two-factor authentication, was recently updated with a new user interface (UI) for its iOS and Android mobile app. Updated positioning of the "approve/deny" ...

Members of Duolingo’s exclusive Streak Society can also customise their app logo, to an orange Duo with burning eyes, by ...