Posté par: igor51 le octobre 28, 2013, 17:51:25
If you walk around carrying a smartphone with WiFi enabled then you are broadcasting your own unique radio beacon. MAC address tracking, also known as Mobile Location Analytics (MLA), is of serious interest to companies trying to sell you things.
Source: Is your smartphone broadcasting your movements when you shop? (http://feedproxy.google.com/~r/nakedsecurity/~3/HYhN6UyBuVs/)