Which retail innovation, introduced in 1916, fundamentally changed shopping by allowing customers to select their own merchandise without clerk assistance for the first time?

The history of retail has been shaped by groundbreaking innovations that transformed how people shop. From ancient marketplaces to modern megastores, retail evolution reflects broader social and economic changes throughout human history. This poll tests your knowledge about a pivotal innovation that revolutionized the retail landscape and set the foundation for modern shopping experiences we take for granted today.

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Piggly Wiggly self-service grocery store
Sears mail-order catalog
The Great Atlantic & Pacific Tea Company (A&P) chain stores
F.W. Woolworth's five-and-dime stores