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

The retail landscape has been transformed by numerous technological innovations over the decades. One particularly significant advancement changed how we complete our shopping transactions forever. This poll tests your knowledge about the history of a now-ubiquitous retail technology that dramatically altered the checkout experience. Do you know when and where this revolutionary system first appeared?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

1992 at Price Chopper in New York, developed by Dr. Howard Schneider
1987 at Walmart in Arkansas, developed by David R. Humble
1998 at Tesco in London, developed by NCR Corporation
2001 at Target in Minnesota, developed by IBM's Retail Systems Division