Which advertising slogan was so influential that it caused dictionary publishers to revise their definitions of a word, becoming a prime case study in descriptive linguistics?

In the world of advertising, some slogans have such a profound impact that they actually influence language itself. These phrases become more than marketing—they enter our everyday vocabulary and even linguistic studies. This poll tests your knowledge of how commercial taglines have shaped modern language usage and become subjects of linguistic research.

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Apple's 'Think Different' (which normalized the use of an adjective instead of an adverb)
Google's 'Google it' (which transformed a brand name into a widely accepted verb)
McDonald's 'I'm Lovin' It' (which popularized the progressive form of a stative verb)
Kit Kat's 'Have a Break' (which changed the semantic meaning of 'break' in casual conversation)