Which historic retail innovation, launched in 1916, first introduced the concept of customers selecting their own merchandise without clerk assistance, revolutionizing shopping habits?

Before modern supermarkets and self-service retail experiences became the norm, shopping looked very different. Store clerks would retrieve items for customers from behind counters, with goods often stored in bulk containers. This poll explores a pivotal innovation in retail history that forever changed how we shop. Test your knowledge about this transformative moment in retail history that laid the groundwork for today's shopping experience.

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Piggly Wiggly's self-service grocery store
Woolworth's 'Five and Dime' department store
Sears Roebuck's mail-order catalog system
A&P's 'economy store' format