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Phone or Tracking Device?
Red Wolf writes "The first major commercial service that traces people's locations using their mobile phones -- mapAmobile -- is designed more to ease the minds of worried parents and suspicious bosses than to enable unauthorised spying."
I am more worried about the 2005 law that requires GPS/triangulation in all cell phones for 911 call locating. Here's a link to an article in Popular Science about China and how people were using their cell phones to find out which buildings were infected with SARS.
.02
People play a game where you "kill" a nearby person after you locate them using your cell phone equipped with GPS. Just what I want, ANYONE to be able to locate me on the street (opt-in service or not isn't my point).
The first major wave of location services could beam to the U.S. as early as Christmas, when 44 percent of the nation's 149.2 million cellphone subscribers are expected to be traceable, according to the research firm In-Stat/MDR.
No thanks, I would prefer to die after placing a call to 911 rather than have whoever decide that they want to track me via GPS/triangulation.
Live free or die.
Just my worthless
I spoke with a developer with a working system. The phone companies can (as in "do now") provide the location information, and security is provided through certificates. If, for the moment, you assume that certificates work, you get to control who gets to see your location information. You can hand it off to your friends or boss, and you can turn it off (stealth mode) at any time. I saw it working and it is pretty impressive (or scary for all the reasons already mentioned). Also, once the infastructure is in place (which it now is), it is trivial to implement.
Coercive permission and court warrants would get around perfect security (if such a thing existed).
However, my point is that the infastructure is in place right now (in US) and implementation is easy.