Which packaging innovation from the 1950s revolutionized retail by allowing consumers to see products before purchase while extending shelf life, leading to the modern self-service grocery store model?

Throughout history, packaging innovations have dramatically transformed how products reach consumers, influencing retail operations and consumer behavior. Some packaging breakthroughs were so revolutionary that they fundamentally altered entire industries and shopping patterns. Test your knowledge about one of the most significant packaging innovations that changed the retail landscape and created new possibilities for product distribution and preservation.

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Vacuum-sealed canning
Clear plastic blister packaging
Transparent cellophane wrap
Aerosol spray containers