I have updated my links page and removed the link to the Camstudio application because it appears to have been bought out by Macromedia. The Camstudio application was free, but the link now takes you to the Macromedia RoboDemo application page. RoboDemo is not free. Therefore the link was removed.
This was the original url to the CamStudio application http://www.ehelp.com/camstudio/product/screenrecording/
I also have added a link to Sony's QRIO personal "entertainment" robot. Sony QRIO Main Page