Signals given off by phones allow shopping centres to monitor how long people stay and which stores they visitCustomers in shopping centres are having their every move tracked by a new type of surveillance that listens in on the whisperings of their mobile phones.The technology can tell when people enter a shopping centre, what stores they visit, how long they remain there, and what route they take as they walked around.
http://technology.timesonline.co.uk/tol/news/tech_and_web/article3945496.ece
Shops secretly track customers via mobile phone
Customers in shopping centres are having their every move tracked by a new type of surveillance that listens in on the whisperings of their mobile phones.