The Washington Post reported that the NSA is collecting nearly 5 billion records a day worldwide related to mobile phone location. Citing documents revealed by Edward Snowden, the Washington Post says that data on hundreds of millions of devices is being collected from mobile networks globally.
http://www.washingtonpost.com/world/national-security/nsa-tracking-cellphone-locations-worldwide-snowden-documents-show/2013/12/04/5492873a-5cf2-11e3-bc56-c6ca94801fac_story.html
Wednesday, December 4, 2013
Washington Post: NSA Tracking Cell Phone Locations
Wednesday, December 04, 2013