Which linguistic phenomenon, deliberately employed in Apple's iconic 'Think Different' slogan, helped establish the brand's rebellious identity and is considered a textbook example of prescriptive grammar subversion?

Advertising slogans often employ sophisticated linguistic techniques to create memorable and persuasive messages. From phonological patterns to semantic framing, the language of successful marketing campaigns reflects deep understanding of how our brains process language. This poll tests your knowledge about a famous linguistic technique used in global advertising that transformed a brand's fortunes.

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Grammatical incorrectness (using an adjective 'different' where an adverb 'differently' would be grammatically correct)
Neologism (creating a completely new word that didn't exist before)
Portmanteau (blending two existing words together)
Anastrophe (inversion of the typical word order)