When and where was the world's first self-checkout system introduced to retail customers?

Self-checkout technology dramatically changed the retail landscape by empowering customers and streamlining the shopping experience. This innovation represents one of retail's most significant technological advancements in recent decades, transforming how we complete transactions in stores worldwide. Test your knowledge about the origins of this now-ubiquitous retail technology!

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1992 at Walmart in Arkansas, USA
1986 at Price Chopper in New York, USA
1992 at Marks & Spencer in London, UK
1998 at Carrefour in Paris, France