Brad - I run a portable GPSr in the car everytime I go anywhere and love the accuracy and the way it allows me to worry about other things than "where and when is the next turn". I have recently reviewed the tracklog and find it tells lots about my habits.

It's mine and I control it -- and if I were worried about the privacy aspect would simply turn off logging. For me, I can see more "good" uses (when was I where) than bad uses (yes, officer I was speeding, and my GPSr will prove it).

I wonder how cognizant the police would be about using a person's GPSr as a forensic tool.

I see a day not too far out where cell phones and "active" GPSr will be more closely coupled with the cell data updating traffic conditions in to the "routing" software. I recently started using the "detour" feature of my unit and it has saved me considerable time when needed.

GS