FASCIA: The NSA's huge trove of location records
FASCIA is the National Security Agency's enormous database containing trillions of device-location records that are collected from a variety of sources. This document shows the volume and types of device-location data collected by the agency. NSA tracking cellphone locations worldwide, Snowden documents show
GRAPHIC: Ashkan Soltani and Matt DeLong - The Washington Post. Published Dec. 4, 2013.