Oreo is a trademark for a popular sandwich cookie currently manufactured by the Nabisco Division of Kraft Foods. The current design consists of a sweet, white filling commonly referred to as 'cream' or 'creme', sandwiched between two circular chocolate cookies. Over 491 billion Oreo cookies have been sold since they were first introduced, making them the best selling cookie of the 20th century. Its most recent packaging slogan is "Milk's Favorite Cookie", which is a slight change from "America'… (More on Oreo)