Which language learning app's logo features a green owl mascot named 'Duo' that has become iconic in popular culture and even spawned memes about missed practice notifications?

In the competitive world of language learning applications, brand recognition plays a crucial role in user acquisition and retention. This poll tests your knowledge about one of the most distinctive and recognizable branding elements in the language learning industry - one that has become synonymous with daily language practice for millions worldwide.

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Duolingo
Babbel
Rosetta Stone
Memrise