What We Know About 2009 And What We Think We Know About 2010
A look back at the numbers for 2009
Follow us for the internet trends of 2010.
2009 and Email
* 90 trillion - The number of emails sent on the Internet in 2009.
* 247 billion - Average number of email messages per day.
* 1.4 billion - The number of email users worldwide.
* 100 million - New email users since the year before.
* 81% - The percentage of emails that were spam.
* 92% - Peak spam levels late in the year.
* 24% - Increase in spam since last year.
* 200 billion - The number of spam emails per day (assuming 81% are spam).
Email stats from Radicati Group. Spam stats from McAfee
2009 and Websites
* 234 million - The number of websites as of December 2009.
* 47 million - Added websites in 2009.
2009 and Web servers
* 13.9% - The growth of Apache websites in 2009.
* -22.1% - The growth of IIS websites in 2009.
* 35.0% - The growth of Google GFE websites in 2009.
* 384.4% - The growth of Nginx websites in 2009.
* -72.4% - The growth of Lighttpd websites in 2009.
Website and web server stats from Netcraft.
2009 and Domain names
* 81.8 million - .COM domain names at the end of 2009.
* 12.3 million - .NET domain names at the end of 2009.
* 7.8 million - .ORG domain names at the end of 2009.
* 76.3 million - The number of country code top-level domains (e.g. .CN, .UK, .DE, etc.).
* 187 million - The number of domain names across all top-level domains (October 2009).
* 8% - The increase in domain names since the year before.
Domain name stats from Verisign and Webhosting.info.
2009 and Internet users
* 1.73 billion - Internet users worldwide (September 2009).
* 18% - Increase in Internet users since the previous year.
* 738,257,230 - Internet users in Asia.
* 418,029,796 - Internet users in Europe.
* 252,908,000 - Internet users in North America.
* 179,031,479 - Internet users in Latin America / Caribbean.
* 67,371,700 - Internet users in Africa.
* 57,425,046 - Internet users in the Middle East.
* 20,970,490 - Internet users in Oceania / Australia.
Internet user stats from Internet World Stats.
2009 and 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.
* 500,000 - The number of active Facebook applications.
Social media stats from BlogPulse, Pingdom (here and here), Twittercounter, Facebook and GigaOm.
2009 and Images
* 4 billion - Photos hosted by Flickr (October 2009).
* 2.5 billion - Photos uploaded each month to Facebook.
* 30 billion - At the current rate, the number of photos uploaded to Facebook per year.
Photo stats from Flickr and Facebook.
2009 and Videos
* 1 billion - The total number of videos YouTube serves in one day.
* 12.2 billion - Videos viewed per month on YouTube in the US (November 2009).
* 924 million - Videos viewed per month on Hulu in the US (November 2009).
* 182 - The number of online videos the average Internet user watches in a month (USA).
* 82% - Percentage of Internet users that view videos online (USA).
* 39.4% - YouTube online video market share (USA).
* 81.9% - Percentage of embedded videos on blogs that are YouTube videos.
Online video stats from Comscore, Sysomos and YouTube.
2009 and Web browsers
* 62.7% - Internet Explorer
* 24.6% - Firefox
* 4.6% - Chrome
* 4.5% - Safari
* 2.4% - Opera
* 1.2% - Other
Web browser stats from Net Applications.
2009 and 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.
Malware stats from Symantec (and here) and McAfee
The Yellow Ads Article Research Center
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