Duolingo, the app used to learn languages, is calling on people to complete their lessons to "unlock more about the investigation".

Why do you think Duo died? Duolingo has killed its mascot in a new marketing stunt, but it's brought out the worst in brands.

The Duolingo mascot we all knew as the cute-looking green owl is now fictitiously dead and heartbroken netizens are expressing their condolences on the sorry news.

Duolingo has literally built its whole brand around its increasingly unhinged marketing stunts, with some being far more weird and heartbreaking than others.

Following the announcement of Duolingo mascot ‘Duo The Owl’s’ death, Dua Lipa has responded with her own statement of mourning.

Duolingo announced that its beloved Duo the Owl mascot is dead. Here's what we know and why Dua Lipa is reacting to the news ...

Duolingo has replaced its social media profile photos and app icon to an image of the dead owl, with Xs for eyes. A TikTok ...

Dua Lipa has broken her silence about the untimely death of the Duolingo language-learning app's mascot Duo the owl, who had considered her his "unrequited love interest." ...

Now, Duolingo is leaning into the bit, fueling speculation with cryptic responses and playful accusations aimed at the Canadian rapper.