This episode explores how the shopping cart quietly transformed modern consumer culture. Before its invention, grocery shopping was limited by what people could physically carry in hand baskets. No matter how large stores became, customers simply couldn’t buy more than their arms allowed.

In 1937, grocery store owner Sylvan Goldman noticed this problem and created the first shopping cart by attaching baskets to a wheeled frame inspired by a folding chair. Despite its practicality, customers initially rejected it. Men felt pushing a cart looked weak, while women associated it with baby strollers.

Goldman overcame this resistance by hiring actors to use carts confidently in his stores, making the behavior feel normal. Once shoppers tried carts, they quickly embraced them. As carts spread, stores changed — aisles widened ...