I'm sure if there is no data from Google they get it from the cell provides, or they _also_ get it from cell providers, but Google is definitely going to have m

I'm sure if there is no data from Google they get it from the cell provides, or they _also_ get it from cell providers, but Google is definitely going to have much richer and detailed information on an individual -- if they have it turned on. I bet in 7/10 cases they do.