quote [ When you’re in the mood for Kool-Aid, you can walk into a grocery store and chose from about 20 different flavor packets all priced at about a quarter a piece. However, if you’re in the market for some quintessentially classic, high-grade, “Oh Yeah!”-era Kool-Aid, you’ll have to enter the fruit-flavored underbelly of one the most intriguing subsets in the world of pop culture food enthusiasts: the black market of vintage Kool-Aid packet collectors. ]