Tracking via Cell/Mobile phones

Really interesting article on the Reg about how using the various mobile phone cells along with your phone can be used to track your every movement, it makes perfect sense and is part of the technology, but it does make matters more interesting when you read my recent articles on the whole 1984 thing. This is pretty common knowledge, but is seems that a lot of people aren't really aware of this fact, also a lot of phones still transmit for a while when you take the battery out of your phone, removing the SIM card is the only way to stop this. Read more here