if u really want to stalk them ... use something called flexspy
but may this will help
Senstic Private Tracker Pro v1.0 Beta
Requirements: Windows All + Vista, WM5, WM6
Overview: Private Tracker Pro is a mobile tracking tool that runs on Windows Mobile-based PDAs and Smartphones. Private Tracker Pro tracks the user`s current location and logs the locations that the user has visited into a hidden log file. Best of all, Private Tracker Pro runs in a discrete manner, and the user is not aware that his or her whereabouts are tracked.
Features
* Location tracking without need of GPS.
* 99% indoor availability and 10-20m accuracy.
* Runs discretely and continuously.
* No user interaction needed.
* Configurable log duration and frequency.
* Location display using Google Maps.
* Export the location result to CSV for Excel.
* Works with all Windows Mobile-based PDAs and Smartphones