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

Self-checkout technology revolutionized the retail experience by allowing customers to scan, bag, and pay for items without cashier assistance. This innovation has dramatically changed shopping habits and store operations worldwide. While commonplace today, the technology has an interesting history that many shoppers might not know as they quickly scan their groceries. Test your knowledge about this retail innovation that transformed the shopping experience!

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1992, Price Chopper supermarket in New York
1986, Walmart in Arkansas
1998, Tesco in London
2001, Carrefour in Paris