GSM-Tracker user tracker 1.0 Free download

You can track and find your friend's location with yahoo widget i.e. GSM-Tracker. It tells you about the current location of your friend by entering the IMEI number of your friend's mobile/ cell phone in the preferences dialog. It just requires few things i.e. your friends must have to use gsm-tracker.com service on their cell phone and they have their location enabled publically on the site; and you have to ask your friends for their IMEI number.