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

The history of retail has seen remarkable transformations that shaped how we shop today. From ancient marketplaces to modern retail concepts, innovations in store layouts and shopping experiences have revolutionized commerce throughout the centuries. Test your knowledge about a pivotal moment in retail history that fundamentally changed how products were presented and sold to consumers.

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Piggly Wiggly's self-service grocery store model
Macy's department store window displays
Sears Roebuck's mail-order catalog system
A&P's grocery chain standardized pricing