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Originally Posted by Surur
Most mobile phones have not got a hard on and off switch, and the police have made statements in kidnap cases that they can trace mobile phones that have been switched of. May not be true now, but there is no reason a phone could not call the base station every few hours without lighting up the screen. And its not really convenient to remove the batteries from most devices. Even pocketpc's with e.g. bluetooth are not really off when suspended, and obviously the processor is still active (else you would not get any alarms etc).
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This is a bunch of crap.
All mobile phones I know off (Nokia, Sony Ericsson, Motorola, Siemens, Samsung, etc.) have a hard key that switches them off. And there's no bloody way anyone can trace a brick that doesn't communicate with anything.
This is a neat conspiracy theory, but it simply doesn't hold water. As for PocketPC's - when you switch WiFi or BT off, it is
off - there's no middle ground (even if the device is still powered on).
Will anyone buy this kind of product? Sure. Paranoid people that do not know enough about the technology they use is a good example. Stupid people is another. I'm sure there's more. But no-one in their right might that knows at least a little about physics and technology in general is going to fall for that. It's a bit like PocketPC antivirus software - neat, but useless.
Just my $.02
Cheers,
Rok