Mysterious disappearances aren’t new....Yet, as bizarre as these cases may be, there seems to be an even stranger type of disappearance out there; people who vanish in full view of others, under circumstances where it seems impossible that they could have even gone far, let alone totally disappeared. These are the cases in which people were there one moment and gone the next, seeming to have just literally faded from existence, leaving us baffled and perhaps even questioning what we think we know about this mysterious world of ours. Let's take a look at the history of some of the...