Which linguistic phenomenon became widely adopted in digital marketing after Twitter's character limit necessitated more concise communication?

Digital marketing has revolutionized how language is used to influence consumer behavior. Specific linguistic techniques are employed to create memorable brand experiences and drive engagement. This poll tests your knowledge about how language has evolved specifically for digital marketing purposes in our increasingly online world. Do you know how companies strategically use language to connect with audiences across digital platforms?

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Hashtag linguistics (using # to create searchable content categories)
Synthetic compounding (creating new compound words like 'webinar' from web+seminar)
Retronyms (creating new terms for existing concepts, like 'analog watch' after digital watches)
Portmanteau marketing (brand names that combine multiple words, like Pinterest from pin+interest)