Blogosphere: the emerging Media Ecosystem: John Hiler has a great article on How Weblogs and Journalists work together to Report, Filter and Break the News (includes the Google/Church of Scientology business too). {Blogosphere defined}

And if you're interested in a map of NYC Bloggers and a distribution breakdown, check this cool site out.

Jon Udell has a lucid article on Social networking in Radiospace and his channelroll.