Which retail innovation, introduced in the early 20th century, is credited with establishing the self-service shopping model and pioneering the concept of price-marked merchandise?

The retail landscape we know today was shaped by revolutionary ideas throughout history. Department stores, catalogs, and shopping malls transformed how people bought goods and built brand relationships. This poll tests your knowledge about a pivotal moment in retail history that changed consumer culture and established patterns of brand loyalty that persist to this day. Do you know which innovation revolutionized American shopping habits and created the foundation for modern retail marketing?

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Piggly Wiggly (1916) - The first self-service grocery store where customers selected their own items
Woolworth's Five and Dime (1879) - The first store to display goods on counters for customer inspection
Sears Catalog (1893) - The first major mail-order retail operation with nationwide distribution
Marshall Field's (1852) - The first store to implement the 'customer is always right' policy and return guarantees