Which linguistic technique did the language learning app Duolingo famously employ in its viral 2022 marketing campaign that boosted user acquisition by 49%?

In the world of language and linguistics, marketing campaigns often employ sophisticated linguistic techniques to create memorable brand experiences. From neologisms to semantic shifts, language innovation drives product differentiation and customer engagement. Test your knowledge about how language science has transformed modern advertising and brand positioning in the digital retail landscape.

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Gamified threats through an anthropomorphized mascot (the 'threatening owl' meme phenomenon)
Neural machine translation demonstrations comparing its accuracy to competitors
Multilingual wordplay using phonetic similarities across different languages
User-generated content showing real-time language acquisition metrics