I work in a big retail company here in Brazil. If you enter most of our stores with a phone in your pocket, you're being tracked. They track where you went, in

I work in a big retail company here in Brazil. If you enter most of our stores with a phone in your pocket, you're being tracked. They track where you went, in front of what shelves you stopped and for how long, if you went to the cashiers of just left... And if we track people here in the third world, you can be sure you are being much more tracked in first world stores.