By the Numbers: Internet 2010

"107 trillion – The number of emails sent on the Internet in 2010.

294 billion – Average number of email messages per day.

1.88 billion – The number of email users worldwide.

480 million – New email users since the year before.

89.1% – The share of emails that were spam.

262 billion – The number of spam emails per day (assuming 89% are spam).

2.9 billion – The number of email accounts worldwide.

25% – Share of email accounts that are corporate.

Websites

255 million – The number of websites as of December 2010.

21.4 million – Added websites in 2010..."

at http://www.ritholtz.com/blog/2011/01/by-the-numbers-internet-2010/