Which retail digital transformation initiative holds the Guinness World Record for 'Largest Virtual Store'?

The retail industry has seen some incredible world records over the years—from massive store openings to groundbreaking digital transformations that changed how we shop forever. Test your knowledge about the intersection of retail innovation and world records. Do you know which retail breakthroughs have made it into the history books? Only true retail enthusiasts will know the answer to this challenging question!

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Tesco's Virtual Subway Store in South Korea, allowing commuters to shop by scanning QR codes of product images
Amazon Go's cashierless store technology system, tracking over 10,000 simultaneous product interactions
Walmart's VR shopping experience that allowed 100,000 simultaneous users to shop in a virtual hypermarket
Alibaba's Singles Day virtual mall featuring over 250,000 brands in one digital shopping interface