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

The way we shop has evolved dramatically throughout history. From small general stores to massive department stores, self-service supermarkets to online shopping, retail has continuously transformed to meet consumer needs. This trivia question focuses on a pivotal moment in retail history that changed shopping forever and set the foundation for modern retail experiences we know today. Test your knowledge of retail innovation history!

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Piggly Wiggly's self-service grocery store concept
Sears Roebuck's mail-order catalog system
Woolworth's fixed-price merchandise policy
Marshall Field's department store customer service model