Which consumer product holds the Guinness World Record for 'fastest selling consumer electronics device' by selling 8.3 million units in its first 60 days on the market?

The Guinness World Records features many extraordinary consumer products that have pushed the boundaries of innovation and design. From the largest to the smallest, the fastest to the most expensive, these products showcase human ingenuity at its finest. Test your knowledge about these record-breaking product designs that have made history!

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Apple iPhone 6/6 Plus (2014)
Sony PlayStation 4 (2013)
Microsoft Kinect for Xbox 360 (2010)
Nintendo Switch (2017)