http://daserste.ndr.de/panorama/aktuell/NSA-targets-the-privacy-conscious,nsa...
http://www.linuxjournal.com/content/nsa-linux-journal-extremist-forum-and-its...
The XKeyscore rules reveal that the NSA tracks all connections to a server that hosts part of an anonymous email service at the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) in Cambridge, Massachusetts. It also records details about visits to a popular internet journal for Linux operating system users called «the Linux Journal - the Original Magazine of the Linux Community», and calls it an «extremist forum».