http://www.linkplug.com/computers_and_internet/conventions_and_trade_shows/LinkPlug! is about providing a directory of quality sites for world wide web users. Our goal is to list the best sites for a wide variety of topics giving our users the most relevant results for their searches. Find computer and Internet-industry conventions, conferences, trade shows, and other events, including COMDEX, CeBit, and the O'Reilly Conferences. Includes businesses that offer convention and trade show services. Meeting places for computer and Internet telephony experts, voice and data convergence developers.http://www.defcon.org/DEF CON Computer Underground Hackers Convention.Mon, 19 Nov 2007 15:41:50 GMT