Which breakfast food brand first introduced the innovative 'resealable bag' technology that became an industry standard for keeping cereal fresh?

Product packaging in the food industry has evolved dramatically over decades, with some innovations becoming iconic symbols of their brands. These packaging choices have not only preserved food quality but also created instant brand recognition and consumer loyalty. Test your knowledge about a revolutionary food packaging development that changed how we consume a popular breakfast item.

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General Mills (Cheerios)
Kellogg's (Corn Flakes)
Post (Grape-Nuts)
Quaker (Cap'n Crunch)