Dado Ruvic, Reuters

For Sale: Systems That Can Secretly Track Where Cellphone Users Go Around The Globe -- Washington Post

Makers of surveillance systems are offering governments across the world the ability to track the movements of almost anybody who carries a cellphone, whether they are blocks away or on another continent.

The technology works by exploiting an essential fact of all cellular networks: They must keep detailed, up-to-the-minute records on the locations of their customers to deliver calls and other services to them. Surveillance systems are secretly collecting these records to map people’s travels over days, weeks or longer, according to company marketing documents and experts in surveillance technology.

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My Comment: So much for privacy and anonymity.

WNU Editor: Here's how cellphone tracking works .