I was playing around with the Tamper Data plugin for firefox which lets you monitor traffic while loading webpages. I was playing around on gmail and quickly noticed somthing which I thought was a bit disturbing. It seems that gmail monitors where your mouse is and if the gmail window is in focus or not — and constantly is sending state changes back to google. I suppose that by using google, you agree to some level of monitoring for targeted advertising — but monitoring where I mover the mouse and how often I have gmail in the foreground seems
a bit totally creapy. All a bit too big brother if you ask me.