Reporter explains NSA collection of cellphone data

The Washington Post
December 04, 2013 AT 8:40 PM
The National Security Agency is gathering nearly 5 billion records a day on the location of cellphones around the world. Ashkan Soltani, a Washington Post contributor and an independent privacy and security researcher, sat down with The Post's Alice Rhee to explain. Soltani and The Washington Post's Barton Gellman broke the story.