OdoPlus is a freeware mouse odometer with a twist: besides tracking the distance your mouse cursor has travelled, it also generates a Click distribution map, indicating which areas of the screen have been clicked the most. Here's mine (from the last 4 hours):

Note the bright spot in the upper right from closing a whole bunch of windows. Also, you can sort of tell I have my taskbar docked to the left side of the screen. [via Pricelessware]
Update: here's what my map looks like after 3 weeks of use:


Note the bright spot in the upper right from closing a whole bunch of windows. Also, you can sort of tell I have my taskbar docked to the left side of the screen. [via Pricelessware]
Update: here's what my map looks like after 3 weeks of use:

comments
1. posted by Calm_Pear at 16:40 on December 15, 2003
So how meters did your mouse travel in that 4 hours? (shameless self plug coming in: I need some people to test my new discussion board, anyone want to have a try? http://www.braincast.nl/xxtree/)
2. posted by milov at 16:45 on December 15, 2003
Calm_Pear: after 5.5 hours I'm at 774 meters and 3274 clicks. :)
3. posted by Calm_Pear at 16:46 on December 15, 2003
woa!
4. posted by Kethinov at 23:34 on December 15, 2003
So this is the closest we're going to get to a screenshot of your desktop, eh? :p
5. posted by Izzy at 09:34 on December 16, 2003
nice link, that Pricelessware..