Cell phone tracking
As I really have no concerns about being spied upon, I make sure that both my and DWs cell phones have GPS tracking turned on and enabled at all times. When we are traveling, we realize that if anyth...
Forum Discussion
noplace2 wrote:msgtord wrote:
Every cell phone is capable of being tracked.
Absolutely untrue. Use a basic without bells and whistles and you can only be "tracked" to your last call. In our case that might be a month and a few thousand miles ago.
WRONG. A cell transmits it's DNS number every few minutes. It allows the switching system to know where to route the call. Big shopping centers track customers using the DNS numbers.
So, you arrive at the mall. Onstar transmits it's number, the cell phones are co-located in the parking lot. They know 2 people were in the car. The car is parked outside the garden center. One went to the market and spent a long time in produce, the other visited 3 shoe stores and spent 20 minutes longer in the last one.
All of this is fed into the mall information system.
