Which innovative food packaging design was initially rejected by focus groups but went on to generate over $1 billion in sales within its first year by solving a common consumer frustration?

Product packaging in the food industry isn't just about aesthetics - it's about preservation, sustainability, and sometimes revolutionary innovation. One particular packaging breakthrough changed an entire food category forever, solving a decades-old problem that had frustrated consumers. Test your knowledge about this game-changing food packaging design that transformed how we consume a particular product and created a billion-dollar market shift.

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Heinz's upside-down ketchup bottle with a stay-clean cap (2002)
Pringles' stackable potato chip canister (1968)
Coca-Cola's contour bottle design (1915)
Tetra Pak's aseptic carton for shelf-stable milk (1961)