Which breakfast cereal brand first introduced the innovative 'wax paper bag inside cardboard box' packaging method in 1906 that revolutionized food freshness preservation?

Product packaging in the food industry has evolved dramatically over the decades, not just in materials but in marketing strategy and consumer appeal. Cereal boxes in particular have become iconic in food packaging history, with innovations that changed how consumers interact with products. This trivia question explores a revolutionary packaging innovation that transformed the breakfast cereal market and influenced packaging across the food industry.

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Kellogg's Corn Flakes
Post Grape-Nuts
Quaker Puffed Rice
Shredded Wheat