***** To join INSNA, visit http://www.insna.org ***** Hi - Further to the 'Dark Web' thread. [intro] A few years ago, it was not uncommon to hear search people talk about The Dark Web (also known as Dark Net or the Deep Web). Basically, the Dark Web is made up pages or files that are unreachable by search engines. Examples of this sort of content include information that sits behind login, or pages without inbound links. Some estimates put the Dark Web at about 400 times the size of the Surface Web (content indexed by search engines). [story] http://thenextweb.com/location/2011/04/06/the-unlit-social-graph/ -j _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.