Which famous slogan introduced a new grammatical construction that linguists have dubbed 'Ungrammatical but effective' for its deliberate violation of standard comparative adjective formation?

Test your knowledge of how language has shaped memorable brand slogans throughout marketing history! Language specialists have long studied how certain linguistic patterns, rhetorical devices, and phonetic qualities make slogans stick in our collective memory. This question focuses on a famous slogan that revolutionized advertising language with its distinctive grammatical pattern.

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Apple's 'Think Different' (1997)
Subway's 'Eat Fresh' (2000)
L'Oréal's 'Because You're Worth It' (1971)
McDonald's 'I'm Lovin' It' (2003)