Web 2.0 stats - Fascinating growth in blogs, video, MySpace

I recently pulled stats for some work we're doing at White Post that cover the growth in blogs, online video, and MySpace. These are all really interesting and I'm going to let the numbers speak for themselves...for now anyway.

Worldwide Blog Growth (source: Technorati)
January 2004 – less than 2 million blogs
July 2004 – 3.5 million
January 2005 – 6 million
July 2005 – 12 million
January 2006 – 24 million
July 2006 – 50 million
October 2006 – 57 million

Worldwide Online Video Growth (source: ComScore via Reel Pop)
October 2005 – less than 25 million online video views per day
January 2006 – 125 million online video views per day
July 2006 – 700 million online video views per day

United States Online Video Viewers (sources: eMarketer; US Census Bureau via Business 2.0)
2003 – 52 million (32% of U.S. Internet users; 19% of population)
2004 – 69 million (41% of U.S. Internet users; 25% of population)
2005 – 89 million (51% of U.S. Internet users; 32% of population)
2006 – 107 million (60% of U.S. Internet users; 38% of population)
2007 projection – 123 million (67% of U.S. Internet users; 43% of population)
2008 projection – 137 million (73% of U.S. Internet users; 47% of population)

MySpace.com registered users (sources: MySpace, Blog Herald, Business Week via Joe Suh)
May 2004 – 2 million
April 2005 – 12 million
October 2005 – 33 million
January 2006 – 48 million
July 2006 – 90 million
November 2006 – 131 million
February 2007 – 160 million