Which brand holds the Guinness World Record for the 'Largest Product Launch' ever, with a marketing campaign that reached over 70% of the global population within 24 hours of release?

The Guinness World Records has recognized numerous marketing campaigns that have broken boundaries in advertising history. These campaigns didn't just promote products—they set unprecedented benchmarks that showcased innovation, reach, and creativity in the marketing world. Test your knowledge about these record-setting marketing initiatives that made history not just for their brands, but in the official record books!

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• Apple iPhone 6
• Samsung Galaxy S10
• Coca-Cola's Share a Coke campaign
• Microsoft Windows 10

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