Here is some new technology for you to read about. It is using Microsofts Kinect. I think it is very cool. Take a look! http://blogs.technet.com/b/next/archive/2011/10/19/microsoft-research-shows-some-fresh-thinking-on-nui-and-touch-interface.aspx

Here is another use for Kinect. http://arsvirtuafoundation.org/research/2010/08/18/meet-milo-the-virtual-boy-cloud-sculpting-the-mind-of-a-synthetic-human/