Which company first introduced and implemented self-checkout technology in retail stores?

The retail landscape has been transformed by technological innovations that enhance customer experience and operational efficiency. One of the most significant retail innovations of the past few decades has been the self-checkout system, which revolutionized how customers complete their shopping transactions. This innovation has spread to virtually every major retailer worldwide, but do you know where and when this game-changing technology first appeared? Test your knowledge about this pivotal retail innovation milestone!

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Walmart with their 'Fast Lane' system (1992)
IBM with their 'Shopping Buddy' system (1997)
Price Chopper supermarket with the 'Service Robot' (1989)
Target with their 'Express Checkout' system (1995)