I wanted to give a shout out to a couple of buddies at mine at Circ.Us who just created an augmented reality game for Criss Angel. If you have a printer and a webcam, you can set up and play a three-D web maze game by going here. Fun way to spend a Sunday Morning with the kids.
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Tip: iPhone screen works perfectly, and is probably easier to handle than a flimsy sheet of paper even if you have a printer handy.