Which product holds the Guinness World Record for 'fastest-selling consumer electronics device' in its first 24 hours of release?

The world of retail has seen some truly extraordinary product launches that broke world records and changed the game forever. These milestone moments often combine innovative marketing strategies, cutting-edge products, and perfect timing to create unprecedented consumer demand. Test your knowledge about the most spectacular product launches that earned their place in the record books!

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Apple iPhone 6 and 6 Plus (10 million units)
Sony PlayStation 4 (2.1 million units)
Nintendo Switch (1.5 million units)
Microsoft Kinect for Xbox 360 (8 million units in 60 days, averaging 133,333 units per day)