Based on free software from Wikipedia, officials from the 16 U.S. spy agencies are increasingly using a new internal website called "Intellipedia" to research and share ideas on some of the most difficult subjects facing U.S. intelligence. Users with the right security clearances can write their own articles or edit those written by others.
Article: http://us.rd.yahoo.com/dailynews/rss/searc...ia_x.htm?csp=34