Which packaging innovation, first commercially successful in the 1950s, revolutionized retail by extending product shelf life and allowing consumers to see products before purchase?

In the history of consumer products, packaging has undergone remarkable transformations that have shaped retail strategies and consumer behaviors. One particular innovation in the mid-20th century revolutionized how products were preserved, displayed, and consumed. This development changed not just retail economics but also household purchasing patterns across America and eventually the world.

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Vacuum-sealed tin cans
Clear polyethylene terephthalate (PET) bottles
Transparent cellophane packaging
Thermoformed clear plastic blister packs