Which retail point-of-sale innovation holds the Guinness World Record for 'Fastest Retail Checkout System' as measured by items scanned per minute?

The world of retail is constantly evolving with innovative technologies that sometimes break world records for efficiency, scale, or customer impact. This trivia question tests your knowledge about a significant milestone in retail point-of-sale (POS) systems that earned a place in the record books. Can you identify the correct record-breaking POS innovation that changed how retailers process transactions?

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Amazon Go's computer vision and AI-powered 'Just Walk Out' technology
Diebold Nixdorf's AI-powered image recognition scanner (2022) that processes up to 286 items per minute
Walmart's blockchain-based inventory tracking system with RFID integration
Apple Store's mobile POS system with integrated facial recognition payment authentication