Fun facial recognition hack for Google Glass. To run you need to put your own API key/secret in: MedRefAppEngineServer/web/oauth.properties
There's a video demo of this app here: http://www.youtube.com/watch?v=E1aeMJY1AO0
And a blog write up here: http://neatocode.tumblr.com/post/50292349091/face-rec-on-glass