Geolocation Tracking/Tagging, ever heard of it? No? Check out the link!
Short version: It’s the identification of your geological location. Can be good, can be bad. I don’t like being stalked though! Firefox, by standard, has geolocation tracking enabled. If you don’t want it, turn it off with a few simple steps:
This is how it looks after the change:
Enjoy your stalking-free Firefox!