Telcos Waking Up To the Value of Your Location

http://tech.slashdot.org/story/10/05/28/1044232/Telcos-Waking-Up-To-the-Value-of-Your-Location

"Cell phone networks represent probably the most effective data collectors of all time: almost everyone's movements and communications are logged in some way by these firms thanks to the ubiquity of cell phones. Now they're beginning to wake up to the value of that data, as researchers mine call records to study travel and social patterns at previously unimaginable scales. Not surprisingly, some are thinking about how to monetize that data, too."