Which product holds the Guinness World Record for the fastest-selling consumer electronics item, selling 8 million units in its first 60 days on the market?

The world of product launches has seen some incredible records set over the years. From the fastest-selling consumer products to the most expensive marketing campaigns, companies are constantly pushing boundaries to make their mark in history. Test your knowledge about the most remarkable product launch records ever documented by Guinness World Records.

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Apple iPhone 6/6 Plus (2014)
Sony PlayStation 4 (2013)
Amazon Kindle Fire (2011)
Samsung Galaxy S3 (2012)