"Internet 2010 in Numbers"
Find out the number of users of various service, of email addresses sent, Facebook members, Twitter followers, etc. etc. An interesting snapshot of the online world.
Data sources and notes: Spam percentage from MessageLabs (PDF). Email user numbers and counts from Radicati Group (the number of sent emails was their prediction for 2010, so it’s very much an estimate). Website numbers from Netcraft. Domain name stats from Verisign and Webhosting.info. Internet user numbers and distribution from Internet World Stats. Facebook stats from Facebook and Business Insider. Twitter stats from Twitter (and here), TwitterCounter and TechCrunch. Web browser stats from StatCounter. YouTube video numbers from Google. Facebook video numbers from GigaOM. US online video stats from Comscore and the Pew Research Center. Flickr image numbers from Flickr. Facebook image numbers from this blog.