Which packaging innovation from the 1950s fundamentally changed retail by allowing consumers to see products before purchase, leading to self-service shopping models?

Throughout history, product packaging has evolved dramatically, not just protecting goods but also shaping consumer behavior and retail strategy. From ancient clay vessels to modern sustainable solutions, packaging innovations have reflected technological capabilities, cultural values, and commercial needs of their eras. This trivia question explores a pivotal moment in packaging history that revolutionized retail and consumer habits worldwide.

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Clear cellophane wrapping
Tin cans with paper labels
Wax-sealed glass bottles
Cardboard boxes with illustrated covers