For the truth you're not being told anywhere else.
List of Keywords and Phrases DHS Uses to Monitor Social Networking Sites and Online Media for Signs of Terrorism and Threats Posted by Lori Price, www.legitgov.org (I'm sure, also a keyword.) --Words included in DHS 2011 'Analyst's Desktop Binder'. 27 May 2012 'Snow' 'Blizzard' 'H1N1' 'Vaccine'. Whoops! I'm now under surveillance.
We read: Revealed: Hundreds of words to avoid using online if you don't want the government spying on you 26 May 2012 The Department of Homeland Security has been forced to release a list of keywords and phrases it uses to monitor social networking sites and online media for signs of terrorist or other threats against the U.S. The intriguing the list includes obvious choices such as 'attack', 'Al Qaeda', 'terrorism' and 'dirty bomb' alongside dozens of seemingly innocent words like 'smart', 'cloud', 'blizzard' and 'Mexico'. Released under a freedom of information request, the information sheds new light on how government analysts are instructed to patrol the internet searching for domestic and external threats. The words are included in the department's 2011 'Analyst's Desktop Binder' used by workers at their National Operations Center which instructs workers to identify 'media reports that reflect adversely on DHS and response activities'.
Here is the list.