Netvouz / imartin / tag / allgemein http://netvouz.com/imartin/tag/allgemein?feed=rss imartin's bookmarks tagged "allgemein" on Netvouz The Downfall of Large Social Networks - Niche Networks Rule http://www.socialtimes.com/2008/04/the-downfall-of-large-social-networks/ Social Web > Social Networks imartin Mon, 21 Apr 2008 19:06:47 GMT