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

Throughout history, retail strategies have evolved dramatically, transforming how customers interact with products and brands. From small general stores to elaborate department stores to digital marketplaces, the history of retail contains fascinating innovations that shaped consumer culture. Test your knowledge about a pivotal moment in retail history that forever changed shopping experiences worldwide.

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Piggly Wiggly's self-service grocery store model
Marshall Field's department store 'browsing' policy
Sears Roebuck's mail-order catalog system
F.W. Woolworth's five-and-dime fixed pricing structure