I think this is useful for ad placement. "A team of scientists engaged in military research recently came to the conclusion that when it comes to reading web pages,most readers read in "F" shaped pattern taking into consideration the eye movements of 232 readers,it was found that a reader generally reads in a horizontal movement first.This is followed by their eyes moving downwards a bit and then,ensues reading across in a second horizontal movement covering a shorter area than what it was previously." Read the whole article here http://blogtrench.blogspot.com/2007/08/hidden-f-in-your-web-pages.html Cheers
Very interesting read.... But with all these bad moves in Iraq by the military, I'll have to think twice.