Which retail innovation holds the Guinness World Record for 'Largest Reduction in Checkout Time' implemented at scale in a major retail chain?

The retail world has seen some extraordinary innovations that have broken world records while transforming customer experience. From the largest virtual reality shopping environment to the fastest checkout system ever developed, these record-breaking retail technologies have pushed boundaries of what's possible in commerce. Test your knowledge about these remarkable retail world records that have shaped modern shopping experiences and set new benchmarks for innovation in the industry.

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Amazon's Just Walk Out technology, reducing average checkout time from 4 minutes to 0 seconds
Walmart's Scan & Go mobile app system, reducing checkout time from 3 minutes to 37 seconds
Alibaba's Facial Recognition Payment system, reducing checkout time from 3 minutes to 45 seconds
Kroger's QueVision system, reducing average wait times from 4 minutes to 26 seconds