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Hugh Hefner saw a problem in 1953. Skirt lengths were getting longer, and men's magazines were all devoted to hunting and fishing. He decided to do something about it, and "Playboy" was born. The magazine launched with nude photos of Marilyn Monroe and has thrilled readers since by featuring pictorials of some of the most unlikely celebrities—some of whom you'd never think would grace the pages of the magazine, let alone bare it all.