Which retail innovation, introduced in 1916, first allowed customers to select their own merchandise without clerk assistance, revolutionizing the shopping experience?

The history of retail has been marked by technological innovations that forever changed how we shop. One of the most significant transitions was from clerk-service to self-service models, which fundamentally altered the customer experience and store design. This transformation paved the way for modern supermarkets and department stores. Test your knowledge of this pivotal moment in retail history!

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Piggly Wiggly's self-service grocery concept
Sears Roebuck's mail-order catalog system
F.W. Woolworth's five-and-dime stores
A&P's economy grocery store model