Which packaging innovation, first introduced commercially in the 1960s, revolutionized retail by dramatically extending product shelf life while simultaneously creating new marketing possibilities?

The world of retail has been transformed by numerous packaging innovations throughout history. These breakthroughs have not only improved product preservation and transportation but have also revolutionized marketing, consumer experience, and sustainability efforts. This trivia question focuses on a game-changing packaging innovation that fundamentally altered how products are sold and consumed worldwide, creating entirely new market opportunities.

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Tetrapak aseptic packaging (allowing milk and juices to be stored without refrigeration)
Blister packaging (transparent plastic packaging sealed to cardboard backing)
Aerosol spray cans (pressurized containers for dispensing contents as fine sprays)
Vacuum-sealed plastic wrapping (air-tight packaging that extends food freshness)