Which famous linguistic principle was specifically considered in the naming and development of the Duolingo owl mascot 'Duo'?

Brand mascots aren't just cute characters - they often carry fascinating linguistic significance! From carefully crafted names to multilingual wordplay, mascots represent a surprising intersection of marketing strategy and language science. This trivia explores how linguistics has influenced some of the world's most recognizable brand ambassadors and the careful language considerations behind their development.

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The Sapir-Whorf Hypothesis (that language shapes perception)
Spaced repetition learning theory
Chomsky's universal grammar theory
The McGurk effect (visual influence on speech perception)