Which retail innovation, first implemented in 1916, revolutionized shopping by allowing customers to select their own merchandise without clerk assistance and is credited as the foundation of modern self-service retail?

The retail landscape we know today wasn't always centered around self-service shopping. Before the mid-20th century, most stores operated with clerks retrieving products for customers from behind counters. This poll tests your knowledge about a pivotal innovation that fundamentally changed how consumers interact with retail environments and set the stage for modern shopping experiences we take for granted today.

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Piggly Wiggly's self-service grocery format
Woolworth's five-and-dime pricing model
Sears Roebuck's mail-order catalog system
Marshall Field's department store layout