Now we know where you are in real time! And you paid for that!

Close-In Surveillance Using Your Phone’s Wi-Fi
https://www.schneier.com/blog/archives/2013/11/close-in_survei.html

Schneier’s blog post contains links to other articles, but to me the more interesting was reading the comments. Of course, infosec people will whine, bitch and moan, but for the average user this …