> * If you use Wifi, you can be tracked by your MAC address
There is a startup that does exactly this - track MAC addresses of cell phones in stores, and then resell that data to store owners, so they can track who comes into their stores: http://www.getnomi.com/
There is a startup that does exactly this - track MAC addresses of cell phones in stores, and then resell that data to store owners, so they can track who comes into their stores: http://www.getnomi.com/