Which food product packaging innovation, introduced in the 1980s, created an entirely new market segment that now generates over $2 billion annually in the US alone?

Test your knowledge about revolutionary food product packaging that changed the industry! Food packaging does more than just contain products - it preserves freshness, builds brand recognition, and sometimes completely transforms how we consume certain foods. This trivia question focuses on a packaging innovation that revolutionized a popular food category and created a billion-dollar market segment.

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Resealable cheese packaging (Kraft's 'Zip-Pak')
Single-serve yogurt cups with separate mix-in toppings
Squeezable ketchup bottles with inverted design
Microwavable popcorn bags with heat-sensitive susceptor technology