Which packaging invention was initially rejected by Coca-Cola executives in 1899 as 'too radical' before becoming one of the most iconic product containers in history?

Packaging design has revolutionized how consumers interact with products. Beyond simply protecting contents, innovative packaging has become a critical element of brand identity, consumer psychology, and retail success. This poll tests your knowledge about a groundbreaking packaging invention that transformed product accessibility and brand recognition worldwide. Do you know which packaging innovation changed the retail landscape forever?

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The contour glass bottle, designed to be recognizable even when broken or felt in the dark
The pull-tab aluminum can, which eliminated the need for separate can openers
The resealable plastic bottle cap that maintained carbonation after opening
The six-pack cardboard carrier that revolutionized multi-unit purchases