The death of Duolingo's owl mascot has been going viral on TikTok after the company posted a video of his death. NBC News' Sam Brock has more on the viral marketing push Feb. 15, 2025 ...

After hours of nail-biting agony, Duolingo users finally have answers to how the brand's beloved make-believe owl mascot named Duo "died" on Tuesday afternoon. The language-learning app shard a ...