1.3 billion β The number of email users worldwide.
210 billion β The number of emails sent per day in 2008.
70% β The percentage of emails that are spam.
53.8 trillion β The number of spam emails sent in 2008 (assuming 70% are spam).
Websites
186,727,854 β The number of websites on the Internet in December 2008.
31.5 million β The number of websites added during 2008.
Web servers
24.4% β The growth of Apache websites in 2008.
13.7% β The growth of IIS websites in 2008.
22.2% β The growth of Google GFE websites in 2008.
336.8% β The growth of Nginx websites in 2008.
100.3% β The growth of Lighttpd websites in 2008.
Domain names
77.5 million β .COM domain names at the end of 2008.
11.8 million β .NET domain names at the end of 2008.
7.2 million β .ORG domain names at the end of 2008.
174 million β The number of domain names across all top-level domains.
19% β The increase in the number of domain names in 2008.
Internet users
1,463,632,361 β The number of Internet users worldwide (June 2008).
578,538,257 β Internet users in Asia.
384,633,765 β Internet users in Europe.
248,241,969 β Internet users in North America.
139,009,209 β Internet users in Latin America/Caribbean.
51,065,630 β Internet users in Africa.
41,939,200 β Internet users in the Middle East.
20,204,331 β Internet users in Oceania/Australia.
Blogs
133 million β The number of blogs on the Internet (as tracked by Technorati).
900,000 β The number of new blog posts in a day.
329 million β The number of blog posts in 2008.
Images
10 billion β Photos hosted by Facebook (October 2008).
3 billion β Photos hosted by Flickr (November 2008).
6.2 billion β Photos hosted by Photobucket (October 2008).
Videos
12.7 billion β The number of online videos watched by American Internet users in a month (November 2008).
87 β The number of online videos viewed per month per Internet user in USA.
34% β The increase in viewing of online video in USA compared to 2007.
3.1 β The number of minutes of an average online video.