Which revolutionary retail concept, first introduced in 1916, fundamentally changed shopping by allowing customers to select their own merchandise without clerk assistance?

The history of retail has seen dramatic transformations that shaped how we shop today. From ancient marketplaces to modern digital platforms, retail innovations have reflected changing societies and consumer behaviors. This trivia question focuses on a pivotal moment in retail history that revolutionized the shopping experience and set standards for modern commerce. Test your knowledge of this significant retail innovation that changed consumer expectations forever!

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Self-service grocery stores (Piggly Wiggly)
Department stores (Bon Marché)
Mail-order catalogs (Sears Roebuck)
Five-and-dime stores (Woolworth's)