David Sifry of Technorati talks about the state iof the Blogosphere:

• Technorati was tracking over 14.2 Million weblogs, and over 1.3 billion links in July 2005
• The blogosphere continues to double about every 5.5 months
• A new blog is created about every second, there are over 80,000 created daily
• About 55% of all blogs are active, and that has remained a consistent statistic for at least a year
• About 13% of all blogs are updated at least weekly

...via BoingBoing