Which language learning platform first popularized the marketing tagline 'Learn a language in just 5 minutes a day' as part of their core brand strategy?

In the world of language and linguistics, effective marketing often hinges on clever wordplay, memorable slogans, or linguistic innovations. Companies specializing in language learning apps, translation services, and educational tools have created some remarkably successful branding campaigns. This trivia question focuses on a notable campaign that revolutionized how a major language product was marketed to consumers. Test your knowledge of how linguistic products have been positioned in the marketplace!

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Duolingo
Rosetta Stone
Babbel
Memrise