David Sifry, is founder and CEO of Technorati. One of the largest databases of blog content available anywhere and a source of of APIs and tools that literally extend the read/write web.
Five months ago he used the Technorati database to produce a set of reports on the the size, shape and growth of the blogosphere. He has produced a new set of numbers that are fascinating to look at and think about:
Report 1: The Growth of Blogs
Report 2: The A-List and the Long Tail
Report 3: Posting Volume
