3. 25.21 billion pages in the
indexable web1
1 trillion unique URLs
discovered by Google2
109.5 million web sites3
1,000X more in deep web4
1 Worldwidewebsize.com March 2009
2 Google Official Blog July 2008
3 Name Intelligence May 2009
4 BrightPlanet November 2010
Scale in content.
4. 500 million Facebook
users1
190 million Twitter users2
65 million tweets per day3
4 million Foursquare
users4
1 Mark Zuckerberg July 2010
2 TechCrunch July 2010
3 Twitter blog June 2010
4 Business Insider October 2010
Scale in engagement.
8. (millions)
Source: Forrester Research, Inc.
Structured data supports SEO (and vice versa).
Projected SEO spending in US
$2,805
this year
$5,078
in 4 years