The Rise of the Slacktivist -- and a blog post about the use of social media by non profit organizations. http://www.nonprofitmarketingblog.com/site/comments/what_are_nonprofits_doing_with_social_media_six_interesting_stats/
Stats of the Day. An almost bewildering number of stats on social media use, but it's in 'bite-sized' chunks so easy to understand as well as useful. Posted 7 Dec 2011 - res. 576 x 5264 [Duplicate of my post on Social Media Infographics Board, but with original link this time]
It’s All About The Images infographic from MDG Advertising relays information visually about the importance of relaying information visually. In our world, this information is true for posting infographics as well as photo images.