Mail: Another Flaw For Cellphone Tracking

 Further on my posting about mapAmobile, the UK service that tracks the whereabouts of ‘loved ones’ via their handphone, reader Lynn Dimick points out quite wisely: “Why not just turn off the phone, and claim the battery died, if you don’t want to be monitored? I know that’s what my kids will do.”
How do you track someone who doesn’t want to be tracked?