Build Your Own Life HUD With a Smartphone and Some Cardboard - Diy life hud - Gizmodo
http://gizmodo.com/5390894/build-your-own-life-hud-with-a-smartphone-and-some-cardboard
"A cardboard box, sliced to pieces, taped together, fastened to a pair of work goggles, and capped off with an HTC Magic: this is what DIY augmented reality looks like, right now."