Which advertising slogan holds the Guinness World Record for being the longest continuously used slogan in history?

The advertising world has its own set of impressive world records - from the most expensive campaigns to the longest-running slogans. These marketing achievements have shaped consumer behavior and brand recognition globally. Test your knowledge about record-breaking advertising slogans that have made their mark in the Guinness World Records and marketing history. Can you identify which famous slogan holds the distinction of being the longest continuously used advertising slogan in history?

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Maxwell House's "Good to the Last Drop" (since 1915)
Coca-Cola's "The Pause That Refreshes" (since 1929)
De Beers' "A Diamond is Forever" (since 1948)
Avis' "We Try Harder" (since 1962)