Which retail innovation, first introduced in 1916, allowed customers to select their own merchandise without clerk assistance and is considered the precursor to modern supermarkets?

Step back in time to explore a pivotal moment in retail history that forever changed how we shop. This question focuses on an innovation that transformed retail from simple counter service to the self-service model we know today. While many take this shopping format for granted, it represented a radical departure from traditional merchant-customer interactions and set the foundation for modern retail experiences. Test your knowledge of this revolutionary retail concept!

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Piggly Wiggly self-service grocery store
Sears mail-order catalog shopping system
Marshall Field's department store browsing model
A&P economy grocery chain concept