This talk covers several thousand years of information technology, focusing on strange threads of symptom and haunting woven into the history of mnemotechnics. How does ancient gnostic cosmology influence the way we use computers? How did magicians, junkies and sexual deviants give us computers, programming and rocket science? How did a cave in Kentucky became the blueprint of cyberspace? How did a moth presage y2k and terrorist paranoia? How is the crashed flying saucer at Roswell tied to the origins of hypertext?