Which product holds the Guinness World Record for 'largest single-day sales for any retail product' set in 2014?

The retail landscape has seen extraordinary achievements that have made their way into the record books. From massive product launches to unprecedented logistics feats, these milestones showcase the incredible capacity of modern retail systems and marketing campaigns. Test your knowledge about a remarkable retail world record that demonstrates the intersection of ambition, logistics excellence, and consumer engagement.

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Apple iPhone 6, selling over 10 million units in 24 hours
Alibaba's Singles Day merchandise, with $9.3 billion in sales
PlayStation 4, with 4.2 million units sold on launch day
Amazon Echo devices, selling 3.5 million units during Prime Day