Which of these famous brand slogans holds the world record for being the longest continuously used advertising slogan without significant changes?

Brand slogans are essential for product recognition and customer engagement. Some slogans have stood the test of time, becoming record holders in the marketing world. This trivia poll tests your knowledge of world-record holding brand slogans that have demonstrated remarkable longevity and impact. Can you identify which famous catchphrase has been consistently used for the longest time without significant alteration?

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De Beers' "A Diamond is Forever" (introduced in 1948)
Coca-Cola's "Taste the Feeling" (introduced in 1929)
Maxwell House's "Good to the Last Drop" (introduced in 1959)
Nike's "Just Do It" (introduced in 1963)