Which historic advertising campaign from the 1940s coined the slogan 'Diamonds are Forever,' dramatically transforming the diamond industry by creating the cultural association between diamonds and eternal love?

Before digital marketing and social media campaigns, advertising pioneers had to be especially creative to capture public attention. This trivia question explores one of the most influential advertising campaigns in history that changed not only a company's fortunes but shifted an entire industry's approach to marketing. Test your knowledge of how products were marketed in the past and how these historic campaigns continue to influence advertising strategies today.

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De Beers' diamond engagement ring campaign by N.W. Ayer & Son
Tiffany & Co.'s 'Blue Box' campaign by Young & Rubicam
Cartier's 'Symbol of Luxury' campaign by J. Walter Thompson
Harry Winston's 'King of Diamonds' campaign by McCann Erickson