Which linguistic device is most prominently used in Apple's famous 1997 slogan 'Think Different' that made it particularly effective from a language perspective?

Advertising slogans are fascinating examples of applied linguistics, where language is carefully crafted to influence consumer behavior. The most memorable slogans utilize linguistic devices like alliteration, rhyme, metaphor, and strategic syntax to create phrases that stick in our minds. This poll tests your knowledge of how language techniques have been leveraged to create some of the most effective advertising phrases in marketing history.

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Grammatical subversion (using an adjective 'different' where an adverb 'differently' would be grammatically standard)
Consonance (repetition of consonant sounds, particularly the 'th' and 'k' sounds)
Imperative mood combined with alliteration
Linguistic code-switching between formal and informal registers