The Federal Trade Commission told a data company it could no longer sell data it collected from hundreds of millions of Americans’ mobile devices when people visited hospitals, dialysis clinics, or abortion clinics. But little is stopping other companies from doing so. In the absence of federal protections, some states are passing their own rules.
tldr: only way to not be located is to leave all smart devices at home (and hope nobody with smart glasses will cross your path, but this part is not in the links)
Here is a fun read:
https://blog.apnic.net/2018/05/24/securing-internet-geolocation-client-presence-verification/
https://arxiv.org/abs/1802.05169
https://people.scs.carleton.ca/~paulv/papers/CPV-TDSC-authorcopy.pdf
tldr: only way to not be located is to leave all smart devices at home (and hope nobody with smart glasses will cross your path, but this part is not in the links)