Sean Parker's look changes with his hair length, and the brutality of his hangover. In a certain light, however, the 28-year-old entrepreneur (a founder of Napster, Facebook and now the Agape Project) is the spitting image of another impresario: Malcolm McLaren, the music promoter who managed the Sex Pistols. Compare. The tight curls; the coloring; the post-party weariness; the naked 14-year-olds; not to mention an uncanny ability to spot trends and teen talent. (We made up the shared interest in 14-year-olds.) ENLARGE