Yeay for this. Just what the world really needs. A better way to track people.
AIUI tracks you to the relative distance of a bunch of IoT devices, and presumably works outward from there till you get to nodes that are a)Capable of saying their their map coordinates or b)Are at a fixed location which is listed on some kind of accessible data base.
Tuft University. Now on my list of ethics free engineering courses.
No doubt going to be eagerly snapped up by various keen users of this sort of tech.