Which unique packaging innovation was developed by Procter & Gamble for Pringles potato crisps that revolutionized the snack industry and was granted a patent in 1976?

Packaging design can make or break a food product in the competitive retail market. Sometimes, innovative packaging becomes as iconic as the product itself, influencing consumer behavior and setting new industry standards. This poll tests your knowledge about one of the most distinctive food packaging innovations that transformed a category and created a lasting competitive advantage.

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The saddle-shaped hyperbolic paraboloid chip design that allowed for uniform stacking
The resealable zip-lock mechanism that preserved freshness after opening
The vacuum-sealed aluminum foil liner that extended shelf life to 12 months
The biodegradable cardboard tube made from recycled potato peels