Can you think of a movie with a good super-computer? From Hal through to Skynet through that computer that turned Richard Pryor into a robot in Superman III, super-computers equal bad news in movies. Luddite Hollywood doesn’t seem to trust advanced technology. Never mind the irony that most of the most memorable moments in modern blockbusters are made of ones and zeroes; on-screen, super-computers are not our friends. In the new techno-thriller Eagle Eye, yet another sleek, malign thinking machine is added to the villains’ roster. Was it always this way? Did ancient audiences boo the abacus whenever it appeared on-stage?