Which language learning product's marketing campaign first popularized the phrase "No translation. No memorization. No grammar rules" as its revolutionary approach?

Marketing campaigns have played a significant role in how we think about language learning and linguistic products. Some campaigns have transformed niche language tools into household names, while others have revolutionized how we approach language acquisition. This trivia question explores a famous marketing breakthrough in the linguistics industry that changed consumer behavior.

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Rosetta Stone
Duolingo
Babbel
Pimsleur