Esther Schindler writes "Sure, everyone uses technology on the job. But you may not have contemplated the tools used by paranormal investigators (at least, not until you began thinking about Halloween) who look for the truth in ghosts and other things that go Bump in the Night. In Paranormal Investigations and Technology: Where Ghosts and Gadgets Meet, CIO's Al Sacco writes about the most unusual of tool chests, with everything from thermometers to blimp cams." You want spooky? An anonymous reader passed a link to a survey that says a third of Americans believe in ghosts. Who you gonna call?