Which famous advertising slogan led to a documented 18% market share increase within one year of its launch, transforming a struggling brand into an industry leader?

Advertising slogans can become iconic cultural touchpoints and dramatically shift market positions. The most effective ones not only boost sales but can redefine brand identity and create lasting economic impact. This trivia challenges your knowledge of famous advertising slogans that significantly influenced consumer behavior and company valuation. Test your marketing acumen by identifying which slogan created the most dramatic shift in market dynamics!

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Apple's 'Think Different' (1997)
De Beers' 'A Diamond is Forever' (1948)
Nike's 'Just Do It' (1988)
Coca-Cola's 'The Real Thing' (1969)