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

Retail technology has transformed how we shop over the decades. One innovation that dramatically changed the customer experience was the self-checkout system. These machines reduced wait times, labor costs, and revolutionized the retail landscape. But do you know when and where this game-changing technology first appeared in retail stores? Test your knowledge of retail innovation history with this trivia question!

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1992 at Price Chopper in New York
1987 at Walmart in Arkansas
1998 at Tesco in London
2001 at Carrefour in Paris