The Tracking Cookie is Dead

http://www.realcleartechnology.com/2014/10/08/the_tracking_cookie_is_dead_23548.html

Richard Byrne Reilly , Venture BeatThe lifespan of the tracking cookie is about to expire. With the rapid emergence of mobile devices, the big three — Facebook, Google, and Apple — have turned to new and more potent methods for advertisers to keep track of you across multiple devices.