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

The retail landscape has been transformed by numerous technological innovations over the decades, changing how consumers interact with stores. One of the most significant developments in modern shopping was the introduction of self-checkout technology. This innovation reduced waiting times, changed staffing needs, and created a new shopping experience that many consumers now take for granted. But do you know when and where this retail revolution began?

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IBM with their 'FastLane' system in 1997
NCR with their 'Self-Checkout' system in 1998
Microsoft with their 'QuickScan' system in 1999
Fujitsu with their 'U-Scan' system in 1995