Which retail brand's slogan underwent a significant linguistic shift in 2009, changing from an imperative command to a more philosophical statement about identity?

Brand slogans are powerful linguistic tools that companies use to create memorable identities. The most effective slogans become so deeply embedded in our cultural consciousness that they function almost like linguistic shorthand for brand values. This trivia question tests your knowledge of how language has shaped some of the world's most recognizable retail brands and their communication strategies.

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Apple: From 'Think Different' to 'This Changes Everything'
Walmart: From 'Always Low Prices' to 'Save Money. Live Better.'
Nike: From 'Just Do It' to 'Find Your Greatness'
Amazon: From 'Earth's Biggest Bookstore' to 'Work Hard. Have Fun. Make History.'