Which linguistic technique did the dictionary publisher Merriam-Webster use in their successful 2015 rebranding campaign that revitalized their image among younger audiences?

Language is a crucial component of brand identity and product recognition. Linguists and marketing professionals often collaborate to create memorable slogans, brand names, and packaging copy that resonate with target audiences. This poll tests your knowledge of how language and linguistics have influenced major brand decisions in the global marketplace. Can you identify which linguistic strategy has been most successful in product marketing?

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Code-switching between formal dictionary definitions and internet slang on social media
Creating a new phonetically simplified spelling system for English words
Publishing a special edition dictionary with only words created after the year 2000
Introducing a subscription service offering etymological histories of trending words