Well... but it isn't really the first draft of the technology, is it? Steve Mann was doing basically the same thing 15 years ago with equipment that wasn't really a whole lot more clunky. In fact, that's really the reason I can't get behind Glass as the Next Big Thing: I've wanted something like this for the better part of two decades and the display technology continues to suck.

Edit to add: Look here: http://wearcam.org/netcam.html That webpage hasn't been edited for a decade (a decade, that's 10 years), and it has a better-looking display unit (see the picture captioned "late 90's").