Wiki Wormhole: Learn more about the humble shopping cart with Wiki Wormhole

With more than 5 million articles, Wikipedia is an invaluable resource, whether you’re throwing a term paper together at the last minute, or angrily looking up gun violence statistics to quote on Facebook to people you haven’t talked to since high school. We explore some of Wikipedia’s oddities in our 5,029,576-week series, Wiki Wormhole.

This week’s entry: Shopping cart

What it’s about: The cart is such an integral part of shopping that it’s difficult to imagine a time when people weren’t pushing shopping carts down grocery store aisles. They date to 1937, when Sylvan Goldman introduced them into his supermarket chain, Piggly Wiggly. The first prototype was a folding chair with wheels and a basket on the seat. Eventually, he designed a rolling frame that held two wire baskets, which he called a “folding basket carrier.” He eventually came up with …

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