Which retail innovation, first introduced in 1916, revolutionized the customer journey by allowing shoppers to select their own merchandise without clerk assistance?

Test your knowledge about a pivotal innovation in retail customer experience history that forever changed how we shop! In the early 20th century, a revolutionary concept emerged that transformed the retail journey from clerk-assisted shopping to self-service. This innovation fundamentally altered store layouts, customer behavior, and ultimately led to many modern retail experiences we take for granted today.

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The self-service grocery store (Piggly Wiggly)
The department store (Macy's)
The shopping mall (Country Club Plaza)
The mail-order catalog (Montgomery Ward)