What controversial marketing mascot did Duolingo introduce in 2019 that became a viral sensation and dramatically increased user engagement through humorous threatening reminders?

The language learning industry has been transformed by innovative marketing approaches in recent years. Apps and platforms have reimagined how language education is packaged, promoted, and sold to consumers worldwide. This poll tests your knowledge about one of the most successful marketing strategies in the language learning space that changed how millions approach learning new languages.

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• The Duolingo Owl (Duo)
• The Grammar Police
• The Vocabulary Vulture
• The Phrase Phantom

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