Which of these famous taglines underwent significant linguistic analysis before launch because it initially appeared to violate grammatical rules, but was kept because it proved more memorable and effective?

In the world of brand linguistics, taglines serve as powerful condensations of a company's identity and value proposition. The most successful taglines work across languages and cultures, becoming an integral part of our lexicon. This trivia question explores how language professionals have crafted memorable phrases that transcend mere advertising to become cultural touchstones, demonstrating the fascinating intersection of linguistics, psychology, and marketing.

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Apple's "Think Different" (1997)
Nike's "Just Do It" (1988)
McDonald's "I'm Lovin' It" (2003)
L'Oréal's "Because You're Worth It" (1971)