Which retail analytics achievement holds the Guinness World Record for the largest synchronized real-time customer tracking system implemented in a single shopping venue?

The retail industry has seen some incredible achievements worthy of Guinness World Records. From massive shopping malls to extraordinary marketing campaigns, these records showcase retail innovation at its most extreme. This poll tests your knowledge about remarkable retail milestones that have made it into the record books. Can you identify the correct world record achievement in retail analytics that revolutionized consumer tracking?

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Mall of America's 2018 neural network system tracking 40,000+ shoppers simultaneously across 5.6 million square feet
Dubai Mall's 2019 AI-powered retail analytics platform monitoring 92,000+ concurrent visitors using 2,700 connected sensors
Tokyo's Shinjuku Station retail complex 2020 deployment with 64,000 shoppers tracked across 36 department stores
London's Westfield Stratford City 2021 integrated system monitoring 78,000 shoppers across 250 stores with heat mapping