Which retail 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 retail world isn't just about sales and profits—it's also home to some astonishing world records! From the largest stores ever built to the fastest product launches that shattered expectations, retail companies have found their way into the record books through innovation, scale, and sometimes sheer audacity. Test your knowledge about these extraordinary retail achievements that have earned their place in history. Do you know which retail innovations have broken world records?

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Apple iPhone (first generation)
Microsoft Kinect
Sony PlayStation 4
Amazon Echo