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

The evolution of retail has transformed how consumers interact with products and brands throughout history. From local markets to global empires, retail innovation has shaped economies and societies. This trivia question explores a pivotal moment in retail history that revolutionized the customer shopping experience and set the foundation for modern retail operations. Test your knowledge about this transformative period in commercial history!

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Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog system
Woolworth's five-and-dime store concept
A&P's economy grocery store chain