In his latest column for the Chicago Sun-Times, Roger Ebert tackles the question of why Macs seem to always be used by the “good guys” in films and television shows, while the “bad guys” use PCs. “Since many Windows machines look alike, Apple is one of the few manufacturers that can gain by product placement, which accounts for some of the Macs,” writes Ebert. “It’s true that the movie industry and creative types in general prefer the Mac. The novelist Tom Clancy sends e-mails with this signature line: ‘Never ask a man what computer he uses. If it’s a Mac, he’ll tell you. If it’s not, why embarrass him?”