Which retail innovation, first implemented in 1916, fundamentally transformed the customer shopping journey by allowing customers to select their own products without clerk assistance?

Throughout history, retail strategies have evolved dramatically, transforming how people shop. The industrial revolution brought mass production, but it was innovative retail concepts in the early 20th century that forever changed the customer journey. Test your knowledge about a pivotal innovation that revolutionized the shopping experience and set the foundation for modern retail giants.

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Piggly Wiggly's self-service grocery store model
Sears Roebuck's mail-order catalog system
Marshall Field's department store fitting rooms
F.W. Woolworth's five-and-dime pricing strategy