Which retail innovation first introduced the concept of self-service shopping, allowing customers to select their own merchandise without clerk assistance?

The evolution of retail spaces has shaped consumer behavior throughout history. One revolutionary retail innovation fundamentally changed how people shopped and interacted with products, creating the foundation for modern retail experiences. Test your knowledge of this pivotal moment in consumer history!

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Piggly Wiggly (1916) - the first true self-service grocery store with open shelving and checkout counters
Marshall Field's (1852) - the first department store with specialized departments and browsable merchandise
Woolworth's (1879) - the first five-and-dime store with fixed pricing and open counter displays
A&P Economy Stores (1912) - the first chain store model with standardized product offerings