Sifry's Alerts: State of The Blogosphere, March 2005, Part 1: Growth of Blogs
There is a dark underbelly to these numbers, however: Part of the growth of new weblogs created each day is due to an increase in spam blogs - fake blogs that are created by robots in order to foster link farms, attempted search engine optimization, or drive traffic through to advertising or affiliate sites
Technorati の Dave Sifry による State of the Blogosphere がアップデート (Emerging Tech Conference 用ですかね）。日に増えるウェブログの数がすごい勢いで増加しているものの、その多くが spam blog (fake blog) で、リンクファームなどの SEO として利用されているという分析。