[Wired] Anonymized Phone Location Data Not So Anonymous, Researchers Find

Anonymized mobile phone location data produces a GPS fingerprint that can be easily used to identify a user based on little more than tracking the pings a phone makes to cell towers, a new study shows. [...]

The Geolocational Privacy and Surveillance Act (H.R. 1312), introduced in the House by Rep. Jason Chaffetz (R-Utah) and in the Senate by lawmakers Ron Wyden (D-Oregon) and Mark Kirk (R-Illinois), has gained wide support from the American Civil Liberties Union and the Electronic Frontier Foundation. [...]

The researchers from MIT and Belgium said that the importance of location data will only increase in the future and “knowing the bounds of individual’s privacy will be crucial in the design of both future policies and information technologies.”

http://www.wired.com/threatlevel/2013/03/anonymous-phone-location-data/