In 1937, Oklahoma grocer Sylvan Goldman noticed customers stopped buying the moment their hand baskets got too heavy, leading him to invent a rolling frame that held two wire baskets. What started as a simple trick to keep shoppers browsing transformed retail forever, fueling the rise of the modern supermarket and big-box store. Today, the humble shopping cart remains a cornerstone of American consumer culture and a multi-billion dollar driver of the modern economy.
