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

The history of retail has shaped our modern consumer culture in profound ways. From humble marketplaces to grand department stores to online shopping empires, the evolution of retail reflects broader economic and social changes. This trivia question focuses on a pivotal moment in retail history that transformed how people shop and revolutionized the consumer experience. Test your knowledge about one of the most significant innovations in retail history!

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Piggly Wiggly self-service grocery store
Marshall Field's department store with designated sections
Sears mail-order catalog with home delivery
A&P economy grocery chain with standardized pricing