Gorilla Arm : holding up touch screen notebooks

Ipads have caught the imagination of all the geeks and non-geeks and also has become hit among all. Millions of units are sold by now. This touchscreen revolution is not expanding beyond the ipads. The phenomenon of Gorilla arm affecting the people using touchscreen laptops has loomed large over manufacturers. So, what exactly is this Gorilla arm? It is the excessive fatigue and the crippling that a human experience when he uses his hands exactly in front of his face. But! pads are also touchscreen devices. But they are designed for reading, browsing, music, gaming etc. But for working the ipads might also give a gorilla arm.
Uhh I am getting a little pain in ma shoulders before I could finish off scribbling this article on my touchSmart.