you can trackwhere your eyes are pointing
the challenge would dthen be to decide if a blink really is a click... what if you blink when you dont ant to, or if you kept your eyes open for a good 7 or 8 minutes :p
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Objective C, C#, Java, MEL. Python, C++, XML, JavaScript, XSLT, HTML, SQL, CSS, FXScript, Clips, SOAR, ActionScript, OpenGL, DirectX
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D