Which retail innovation from the 1930s fundamentally changed the customer journey by introducing self-service shopping and is considered the precursor to modern supermarkets?

Throughout history, retail has evolved dramatically with technological and social changes. From ancient marketplaces to modern omnichannel experiences, the way we buy and sell goods reflects broader historical developments. This poll tests your knowledge about a pivotal moment in retail history that changed how customers interact with products and shaped modern customer journeys and loyalty programs.

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King Kullen (the first true supermarket)
Sears Catalog Home (mail-order retail)
Woolworth's Five and Dime (fixed pricing model)
Marshall Field's Department Store (customer service model)