Long, hard stares are nothing new to computer users, particularly when their PCs have crashed or their screens are frozen. In the near future those stares will let us do more than merely convey anger to our silicon friends. Developers of eye-tracking technology already a tool to help the disabled interact with specialized computers and to let market researchers evaluate the effectiveness of advertising campaigns have turned their attention to Windows PCs and video game consoles
Excerpt from:
Eyes Have It: Gaze-Controlled PCs and Games Come into View [Video]