Is this what we want ... what kind of protections ... what kind of privacy ...? We are almost blindly reliant on GPS now ... issues - wave bubbles and spoofing ...Humphreys says ... "promise and peril"
Carrier Phase -
... From the Introduction text - the near-future of geolocation when millimeter-accurate GPS "dots" will enable you to find pin-point locations, index-search your physical possessions ... or to track people without their knowledge. And the response to the sinister side of this technology may have unintended consequences of its own.