In which year and at which retailer was the world's first self-checkout system commercially implemented?

Retail innovation has transformed how consumers interact with stores, with self-checkout technology representing one of the most significant shifts in the shopping experience. This technology has dramatically changed staffing models, store layouts, and loss prevention strategies while offering customers more control over their shopping experience. Test your knowledge about the origins of this revolutionary retail technology that now processes billions of transactions annually worldwide.

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1992 at Price Chopper in New York
1987 at Walmart in Arkansas
1998 at Tesco in the United Kingdom
2001 at Carrefour in France