Which packaging innovation, introduced in 1952, revolutionized retail by allowing consumers to see products without opening packages and dramatically reducing theft and damage?

Packaging design isn't just about aesthetics—it can revolutionize entire industries and change consumer behavior forever. One particular packaging innovation fundamentally altered how products were sold, transported, and consumed, creating billions in value and transforming the retail landscape. Test your knowledge of this game-changing packaging development that we now take for granted.

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Blister packaging (clear plastic bonded to cardboard backing)
Tetra Pak (aseptic packaging for liquids)
Vacuum-sealed shrink wrap
Clamshell containers (hinged plastic packaging)