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Duolingo | Duo's Death / Revive Duo | 2025

Using "Death" to Bring Users Back to Life / Duolingo "Duo's Death / Revive Duo"

On February 11, 2025, Duolingo's green owl died. X's for eyes, tongue lolling out. Normally, killing off your own mascot would be a PR disaster. But this was actually the start of a "resurrection" that racked up 1.7 billion impressions.