Which language learning company's marketing campaign famously promised customers they could "Learn a language in just 30 minutes a day" and revolutionized the home language learning market in the 1980s?

Marketing campaigns can significantly impact how products are perceived in specialized industries. In the language learning sector, one campaign revolutionized how people approached foreign languages by creating a powerful brand promise that resonated with consumers. This campaign didn't just sell a product—it transformed the perception of language acquisition from academic drudgery to an accessible skill for everyday people. Test your knowledge about this groundbreaking marketing moment in linguistic product history!

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Rosetta Stone, with their immersion-based yellow box sets
Pimsleur Language Programs, with their audio-only method
Berlitz, with their direct method classroom approach
Linguaphone, with their groundbreaking cassette-based home study system