Internet 2009, By the Numbers

Fascinating article at the Royal Pingdom, running down the shape of the Internet, 2009, by the numbers. I had no idea Ashton Kutcher was so popular.

Highlights:

Email
* 90 trillion – The number of emails sent on the Internet in 2009.
* 247 billion – Average number of email messages per day.
* 81% – The percentage of emails that were spam.
* 92% – Peak spam levels late in the year.
* 24% – Increase in spam since last year.

Social Media
* 126 million – The number of blogs on the Internet (as tracked by BlogPulse).
* 84% – Percent of social network sites with more women than men.
* 27.3 million – Number of tweets on Twitter per day (November, 2009)
* 57% – Percentage of Twitter’s user base located in the United States.
* 4.25 million – People following @aplusk (Ashton Kutcher, Twitter’s most followed user).
* 350 million – People on Facebook.
* 50% – Percentage of Facebook users that log in every day.

Videos
* 1 billion – The total number of videos YouTube serves in one day.
* 182 – The number of online videos the average Internet user watches in a month (USA).
* 81.9% – Percentage of embedded videos on blogs that are YouTube videos.

Malicious software
* 148,000 – New zombie computers created per day (used in botnets for sending spam, etc.)
* 2.6 million – Amount of malicious code threats at the start of 2009 (viruses, trojans, etc.)
* 921,143 – The number of new malicious code signatures added by Symantec in Q4 2009.

Thanks to Loretta Lohman and Erin Pheil for the tip.