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

Retail innovation has transformed how we shop over the decades. One of the most significant developments in retail technology aimed to reduce waiting times and increase customer autonomy. While now commonplace in supermarkets and stores worldwide, the self-checkout system represented a major shift in the customer experience paradigm when first introduced. Test your knowledge about this retail innovation milestone that changed the shopping experience forever.

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1992 at Price Chopper in New York
1986 at Kroger in Georgia
1992 at Schnucks Supermarket in Missouri
1998 at Safeway in California