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If what you need is robotic air penguins, Festo has what you need.

This isn’t an overlay for a video stream, but more like a derived three-dimensional view that’s dynamically generated for a particular point of view. I’m not sure how you’d figure out where the viewer actually is, but it’s certainly a cool demo.

http://vimeo.com/moogaloop.swf?clip_id=1496857&server=vimeo.com&show_title=0&show_byline=0&show_portrait=0&color=ffffff&fullscreen=1
iHologram – iPhone application from David OReilly on Vimeo.