Which retail innovation, first introduced in 1916, fundamentally changed the customer journey by allowing shoppers to select their own products rather than requesting them from clerks?

Before shopping malls and e-commerce dominated retail, innovative entrepreneurs fundamentally changed how people shopped. This trivia question explores a pivotal moment in retail history that transformed the customer journey and established practices we now take for granted. Test your knowledge of retail pioneers who shaped the modern shopping experience and revolutionized consumer culture.

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