Which retail innovation, first introduced in 1916 by Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise rather than requesting items from clerks behind counters?

Before modern shopping experiences, retail was a completely different world. One revolutionary concept changed everything about how consumers interact with products. This innovation from the early 20th century fundamentally altered store layouts, customer behavior, and retail psychology. Test your knowledge of this pivotal moment in retail history that continues to shape shopping experiences today.

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Self-checkout kiosks
Piggly Wiggly's self-service shopping model
Macy's department store layout
Sears mail-order catalog system