I wrote about Dublin Airport doing this without passenger permission a few months ago. "Is Dublin Airport tracking passenger phones without their permission?"

I wrote about Dublin Airport doing this without passenger permission a few months ago. "Is Dublin Airport tracking passenger phones without their permission?" https://medium.com/@roryireland/is-dublin-airport-tracking-passenger-phones-without-their-permission-8a779453a6d7#.d8xizerx4 https://medium.com/@roryireland/is-dublin-airport-tracking-p...