How Wireless Carriers Are Monetizing Your Movements

... activities, but for years these massive data troves were put to little use other than for internal planning and marketing. This data is under lock and key no more. Under pressure to seek new revenue streams (see " AT&T Looks to Outside Developers ...

http://www.technologyreview.com/news/513016/how-wireless-carriers-are-monetizing-your-movements/