Which retail innovation, first introduced in 1916, fundamentally changed how Americans shopped and is credited with creating the modern self-service shopping experience?

Before the digital age transformed shopping forever, retail underwent several revolutionary changes that shaped consumer culture as we know it today. From the first department stores to innovative marketing campaigns that changed the industry, retail history is filled with fascinating milestones. Test your knowledge about one of the most influential early retail innovations that transformed how products were sold to the masses.

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Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog system
F.W. Woolworth's five-and-dime store concept
Marshall Field's department store customer service model