Richard Esposito, Matthew Cole and Mark Schone, with Glenn Greenwald:
> Documents taken from the National Security Agency by Edward Snowden and obtained by NBC News detail how British cyber spies demonstrated a pilot program to their U.S. partners in 2012 in which they were able to monitor YouTube in real time and collect addresses from the billions of videos watched daily, as well as some user information, for analysis. At the time the documents were printed, they were also able to spy on Facebook and Twitter.