Try it out at http://betweenpageandscreen.com/
Between Page And Screen is an augmented-reality book of poems. Like a digital pop-up book, you hold the words in your hands.
Any computer can play Between Page And Screen; all you need is a webcam. Follow the instructions to print out a marker, then visithttp://betweenpageandscreen.com/book , turn on your webcam, and show the marker to your camera. The animations will appear on your screen.
(via YouTube by betweenpageandscreen )