And the cell company can track your (macro) location. And a store can track your visit if you do something like, oh, make a purchase - doubly so if it's with a

And the cell company can track your (macro) location. And a store can track your visit if you do something like, oh, make a purchase - doubly so if it's with a loyalty card. With all due respect to privacy concerns, those are probably the bigger problems. And online social-media/advertising tracking? Egads.