Which dictionary brand's 1980s marketing campaign featured the slogan "You don't have to be wrong for long" and revolutionized dictionary advertising by focusing on speed of use rather than just accuracy?

In the world of language reference products, certain marketing campaigns have changed how we interact with dictionaries and language learning tools. This trivia focuses on a groundbreaking campaign that transformed a traditional dictionary brand into a cultural phenomenon and changed how dictionaries were marketed to the public. Test your knowledge of this famous linguistic product marketing milestone!

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Merriam-Webster's 'The Language Expert' campaign
Oxford English Dictionary's 'The Scholar's Choice' campaign
American Heritage's 'The Word Authority' campaign
Webster's New World Dictionary's 'Instant Access' campaign