When and where was the world's first self-checkout system installed for commercial use?

Retail technology has transformed how we shop over the decades. From manual cash registers to AI-powered shopping experiences, technological innovation continues to reshape the customer experience. One significant milestone in retail technology was the introduction of self-checkout systems. Test your knowledge about this transformative retail technology that changed the face of in-store shopping forever.

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1992 at Walmart in Arkansas, USA
1986 at Price Chopper in New York, USA
1992 at Sainsbury's in London, UK
1998 at Carrefour in Paris, France