Which famous advertising slogan was created after its company noticed their sales representatives were already using the phrase 'Got Milk?' when checking if stores needed more product?

Advertising slogans have become an integral part of pop culture, with some catchphrases transcending their products to become cultural phenomena. From inspiring memes to entering everyday language, these slogans demonstrate the powerful intersection of marketing and culture. This trivia tests your knowledge of one particular slogan that revolutionized both its brand's identity and had a measurable impact on pop culture conversations.

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'Just Do It' (Nike)
'Where's the Beef?' (Wendy's)
'Wassup?' (Budweiser)
'I'm Lovin' It' (McDonald's)