Which retail technology innovation holds the Guinness World Record for 'Largest Automated Retail Store' as of 2023?

The retail industry has seen remarkable technological innovations over the years, with companies constantly pushing boundaries to create unique shopping experiences. Some retail tech breakthroughs have even earned Guinness World Records! Test your knowledge about the intersection of retail innovation and world records with this challenging question. Do you know which groundbreaking retail technology achievement stands above the rest?

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Amazon Go's cashierless store in Seattle (27,000 sq ft)
Alibaba's Hema Fresh automated supermarket in Shanghai (65,000 sq ft)
Walmart's fully-automated fulfillment center in Arkansas (42,000 sq ft)
Ocado's robotic grocery warehouse in London (56,000 sq ft)