Google Glass? How about this Home-brew Solution?
 

[Codeninja] has been sending us some great hacks over the years, and we’ve just learned that his attention has been on building wearable computers lately! He’s currently on his third iteration of a Google Glass-like prototype, which features a motorized element which allows for the retraction of the screen.

http://hackaday.com/2013/11/17/google-glass-how-about-this-home-brew-solution/?utm_source=feedburner&utm_medium=feed&utm_campaig n=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29