Which product holds the Guinness World Record for the highest-grossing first 24 hours in retail history?

The world of retail has seen some incredible product launches over the years, but one stands out above all others for breaking the Guinness World Record for the most successful product launch of all time in terms of first-day sales. This wasn't just a new item hitting shelves—it was a cultural phenomenon that had people lining up for days. Test your knowledge about this retail milestone that combined perfect marketing, incredible demand, and unprecedented consumer excitement.

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Apple iPhone 6/6 Plus (2014): $4.2 billion in 24 hours
Harry Potter and the Deathly Hallows (2007): $8.3 million books in 24 hours
Grand Theft Auto V (2013): $815 million in 24 hours
PlayStation 5 (2020): $3.8 billion in 24 hours