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

The Guinness World Records has documented some incredible achievements in the world of advertising and brand recognition. From the most expensive campaigns to the most viewed commercials, brands have pushed boundaries to stand out in competitive markets. Test your knowledge about these extraordinary advertising accomplishments that made it into the record books. Do you know which advertising campaign broke all records and made history?

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Nike's 'Just Do It' (1988-present)
De Beers' 'A Diamond is Forever' (1948-present)
Coca-Cola's 'It's the Real Thing' (1969-present)
Maxwell House's 'Good to the Last Drop' (1915-present)