Technorati's State of the Blogosphere series chronicles the rise and evolution of the Blogosphere as we know it. Since 2004 we've seen explosive growth and maturing of this new arm of the fourth estate.
State of the Blogosphere 2009
State of the Blogosphere 2009
State of the Blogosphere 2008
State of the Blogosphere 2008
State of the Blogosphere 2007
State of the Live Web 2007 on founder Dave Sifry's blog
State of the Blogosphere, October 2006
Complete Report
State of the Blogosphere, August 2006
Complete Report
State of the Blogosphere, April 2006
Part 1, On Blogosphere Growth
Part 2, On Language and Tagging
State of the Blogosphere, February 2006
Part 1, On Blogosphere Growth
Part 2, Beyond Search
State of the Blogosphere, October 2005 (This report was truncated):
Part 1, On Blogosphere Growth
State of the Blogosphere, August 2005:
Part 1, Blog Growth
Part 2, Posting Volume
Part 3, Tags and Tagging
Part 4, Spam and Fake Blogs
Part 5, The A-List and the Long Tail
State of the Blogosphere, March 2005:
Part 1, Growth of Blogs
Part 2, Posting Volume
Part 3, The A-List and the Long Tail
Part 4, The Underlying Data Set
State of the Blogosphere, October 2004:
Part 1, Blogosphere Size
Part 2, Posting Volume
Part 3, Big Media vs. Blogs
Part 4, Corporate Bloggers
