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 we shop forever. Self-checkout systems represent one of the most significant shifts in retail technology, altering the customer experience and store operations worldwide. This trivia question explores the origins of this now-ubiquitous technology that continues to evolve with AI and computer vision enhancements today.

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IBM with their 'FastLane' system
NCR Corporation with their 'CheckRobot' technology
Fujitsu with their 'U-Scan' platform
Walmart with their proprietary 'QuickPay' system