If I understood correctly, this is only prototype and no supermarket uses it (yet)?
no need for any new ones the old ones work great
no need to waste time on that one
It was 1936, height of the Great Depression, and Sy Goldman Oklahoman, owner of a small chain of Humpty Dumpty grocery stores in Oklahoma City Ok, was desperately seeking ways to increase sagging profits. He noticed that all shoppers commonly arrived with their own hand-carried baskets. When the baskets were full or became too heavy, they stopped shopping. This premise inspired Goldman to rig up folding chairs with four wheels and baskets. Placing a few by the entrance, Goldman awaited next morning's arrivals. Nothing happened. Shoppers came and went, but the new basket on wheels went unused. Old habits die hard, he thought. So, rounding up a few employees, Goldman had them pretend to shop the aisles using the new devices. It worked! Customers started using this labor-saving convenience and the modern shopping cart was born! Speaking of which: After the automobile, what is today's most frequently used four-wheel device in America? Hey--it's the shopping cart!
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