The UK intelligence agency GCHQ has developed sophisticated tools to manipulate online polls, spam targets with SMS messages, track people by impersonating spammers and monitor social media postings, according to newly-published documents leaked by NSA whistleblower Edward Snowden.The documents – which were published on First Look Media with accompanying analysis from Glenn Greenwald – disclose a range of GCHQ “effects” programs aimed at tracking targets, spreading information, and manipulating online debates and statistics.
http://www.theguardian.com/uk-news/2014/jul/14/gchq-tools-manipulate-online-information-leak