tedster - 3:46 pm on Jun 25, 2012 (gmt 0)
I'm not sure the idea of analysing user metrics is a new theory.
It's not - there's no question that both Google and Bing are doing this. What those metrics are is the big question.
Whether Exit Rate (taken from browser data) is actually in use or not, it is an informative reflection of how your users see your various pages - especially if you bring real intelligence to your analysis and don't try to do it mechanically.