Which company holds the Guinness World Record for the 'Most expensive advertising campaign' ever created?

The Guinness World Records has featured countless extraordinary achievements, but also serves as a unique marketing platform for brands seeking global recognition. Companies worldwide compete to set records not just for prestige, but for the massive publicity and marketing exposure that follows. Test your knowledge about the intersection of world records and product marketing strategies that have made history!

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Chanel (for the 2004 No. 5 perfume campaign featuring Nicole Kidman)
Apple (for the 1984 Macintosh Super Bowl commercial)
Coca-Cola (for the 'Share a Coke' personalized bottle campaign)
Microsoft (for the Windows 95 launch featuring the Rolling Stones' 'Start Me Up')