Which company introduced the world's first commercially successful self-checkout system in retail stores in 1992?

The retail landscape has been transformed by numerous technological innovations over the decades, changing how consumers interact with stores and how retailers manage operations. One significant innovation that has dramatically altered the in-store experience is the self-checkout system. This poll tests your knowledge about the origins of this retail technology that has now become ubiquitous in supermarkets and stores worldwide.

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IBM with their 'FastLane' system
NCR Corporation with 'CheckRobot'
Walmart's internal 'QuickScan' technology
Fujitsu with their 'U-Scan' terminals