State of the Blogosphere October 2005 David L. Sifry CEO, Technorati Inc.

Doubling 18.9 Million Weblogs Tracked Doubling in size approx. every 5 months Consistent doubling over the last 36 months Weblogs Cumulative March June 2005 Doubling

- As of Oct 2005 over 70,000 blogs were created daily. - A new weblog is created about every second. - Recent Spikes are partly due to increase in Chinese Blogs - 55% of new bloggers are still posting 3 months later. - 13% of all blogs update weekly (or more). - About 2% - 8% of new blogs are spam (red spikes) New Blogs per Day

Kryptonite Lock Controversy US Election Day Indian Ocean Tsunami Superbowl Schiavo Dies Newsweek Koran Deepthroat Revealed Justice O’Connor Live 8 Concerts London Bombings Katrina Daily Posting Volume 1.2 Million legitimate Posts/Day Spam posts marked in red On average, additional 5.8% are spam posts Some spam spikes as high as 18%

Blue = Mainstream Media Red = Blog Challenge: Fight, or Embrace?

Blogosphere Breaks Out Early Adopters: Newsweek and Salon.com Announcing today: –Washington Post –International Herald Tribune –The Atlantic Monthly –Der Spiegel

Almost a third of blog posts use tags or categories Over 25 Million, growing at about 400k/day

More than Search It’s about exposing Community and adding Context… To help us make sense of the onrush!

Blog Finder Launched September 1 Lets the Community tag their blogs –Over 720,000 blogs in 1 month The World’s Largest Blog Directory Find interesting blogs on a topic Launching today: –Use Authoritative bloggers to scope your search –adds context, timeliness, and relevance to your queries