Which packaging innovation, introduced in 1963, was initially rejected by major beverage companies but later revolutionized the beverage industry by dramatically reducing costs and increasing convenience?

Packaging isn't just about protection—it's a crucial element of brand identity and consumer experience. Some packaging innovations have fundamentally transformed entire industries, creating new markets and changing how products are consumed. This poll tests your knowledge about a revolutionary packaging innovation that altered retail economics and consumer behavior forever.

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The aluminum pull-tab can
The TetraPak aseptic carton
The PET plastic bottle
The twist-off metal bottle cap