Which language learning company first introduced the concept of 'graduated interval recall' in its marketing, revolutionizing how language acquisition products were advertised in the 1980s?

Effective brand storytelling often relies on linguistic techniques to create memorable impressions. Throughout history, language-focused companies have pioneered innovative approaches to communicate their brand identity. This poll tests your knowledge about a significant linguistic milestone in brand history that revolutionized how language products are marketed and perceived by consumers worldwide.

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Pimsleur Language Programs
Rosetta Stone
Berlitz Language Schools
Oxford University Press Language Division