Which retail technology implementation holds the Guinness World Record for 'Largest Deployment of Electronic Shelf Labels (ESLs)' as of 2023?

The retail industry has witnessed numerous technological breakthroughs, but some innovations have been so revolutionary they've earned world records. Test your knowledge about a remarkable retail technology milestone that changed how consumers shop forever and earned its place in the record books. Can you identify which technology implementation broke barriers and set a world record?

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Walmart's RFID system across 11,500 stores
Amazon Go's computer vision network in Seattle
Carrefour's 1.5 million ESL deployment in France
Alibaba's facial recognition payment system in China