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 evolution of retail stores has dramatically shaped how we shop throughout history. From humble market stalls to department stores to digital marketplaces, retail locations have been at the center of commerce for centuries. This poll tests your knowledge about a significant innovation in retail history that revolutionized the shopping experience and set the foundation for modern stores.

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Piggly Wiggly's self-service grocery store
Marshall Field's department store layout
Woolworth's five-and-dime store concept
Sears Roebuck's mail-order catalog shopping