There are quite a few eerie similarities between Rob Spence and Tanya Vlach. For starters, they're both artists, and secondly, they both currently have one prosthetic eye. The real kicker? Each of 'em wants a camera stuck in there instead. In what we can only hope is (or isn't?) a freakishly growing trend, Mr. Spence has reportedly sought consultation from the University of Toronto's Steve Mann, a self-proclaimed expert in the field of wearable computing and cyborgs. Essentially, Rob is hoping to install a webcam in his eye socket in order to become a so-called "lifecaster." The camera wouldn't actually be wired to his brain, thus his level of vision would remain