Over ten years ago retailers were already tracking customer's cell phones as they walked around the store to see what sections people walked through. Your phone

Over ten years ago retailers were already tracking customer's cell phones as they walked around the store to see what sections people walked through. Your phone constantly sends radio waves out that are identifiable to the individual device. https://www.nytimes.com/2013/07/15/business/attention-shopper-stores-are-tracking-your-cell.html https://www.nytimes.com/2013/07/15/business/attention-shoppe...