A good article but I'd like to offer one minor correction. >The only way to make sure is to remove the SIM card and battery from the phone. You only have to r

A good article but I'd like to offer one minor correction. >The only way to make sure is to remove the SIM card and battery from the phone. You only have to remove the battery, not the battery and the SIM. You aren't being tracked if your phone has no battery.