Which retail innovation, first introduced in 1916, revolutionized shopping by allowing customers to select their own merchandise without clerk assistance?

Step back in time to explore a pivotal moment in retail history that forever changed how we shop. The development of early retail systems laid the groundwork for today's shopping experiences, from department stores to self-service approaches. This question explores a transformative innovation that shaped modern retail practices and consumer behavior patterns that persist even in our digital age. Test your knowledge of retail's evolutionary journey!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Piggly Wiggly's self-service grocery store model
Woolworth's fixed-price merchandise system
Marshall Field's department store customer service approach
Sears Roebuck's mail-order catalog distribution