Seventy feet is the length of my house.
Some threads, not necessarily this one, have had contributors indicating some concern that "the government" could find you anytime they wanted by triangulating on this credit card size ID transmitter.
So, they can find you if you get within 70 feet of one.
There is a brick wall that the technology will run in to pretty quickly. Not, to say there may not be a quantum leap breakthrough in miniature power generation that makes batteries obsolete, or "subspace channels", but that is what it will take to have the privacy invasion that some are paranoid of.
Some threads, not necessarily this one, have had contributors indicating some concern that "the government" could find you anytime they wanted by triangulating on this credit card size ID transmitter.
So, they can find you if you get within 70 feet of one.
There is a brick wall that the technology will run in to pretty quickly. Not, to say there may not be a quantum leap breakthrough in miniature power generation that makes batteries obsolete, or "subspace channels", but that is what it will take to have the privacy invasion that some are paranoid of.