J.D. Lasica is one of the world's leading authorities on social media and the revolution in user-created media. A writer, strategist, blogger and consultant, he is the co-founder and editorial director of Ourmedia.org, president of the Social Media Group
p2pfoundation has an interesting post about the importance of time as a dimension in social networking technology. My concept of RhNav - RhizomeNavigation includes some of these thoughts...
What is Gabbr? Gabbr allows you to read and comment on the latest news across major news sources as well as the blogosphere. Bloggers can submit their blog posts to appear on the front page for others to comment on.