Who isn't blogging about the state of blogging?

Question:
Who isn't blogging about the state of blogging?

Quote:
Sifry's Alerts: State of the Blogosphere, February 2006 Part 1: On Blogosphere Growth: "In addition to that, about 2.7 million bloggers update their blogs at least weekly."

Thoughts:
What would be interesting to see is how many bloggers blog this and more importantly, how fast.