http://www.eurogamer.net/articles/2013-12-09-nsa-gchq-can-listen-to-xbox-live-chat-communications.
I can't imagine a worse job. (Hyperbole. Yes, there are worse jobs, but ...) Imagine having to listen to people shouting the most inane of profanities at each other all day long.
The next time you play a game with friends online, be sure to offer a friendly hello to your silent NSA operant. Their job is hard.