Which brand holds the Guinness World Record for the longest-running advertising slogan still in use today, having been introduced in 1948?

The world of advertising has seen some incredible records set over the years. From the most expensive commercials to the longest-running campaigns, these marketing milestones have earned their place in the Guinness World Records. Test your knowledge about these record-breaking advertising achievements that have made history in the marketing world.

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• Maxwell House Coffee's "Good to the Last Drop"
• De Beers' "A Diamond is Forever"
• Coca-Cola's "It's the Real Thing"
• Wheaties' "Breakfast of Champions"

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