Twitter confirms that Instagram has all but self-blocked: http://status.twitter.com/post/37258637900/instagram-photo-rendering-issue (and a Chrome extension to fix it https://chrome.google.com/webstore/detail/instatwit/hhalcamddihdpdgdjkjbgikgobnbbpif)
87% of half million+ users voted to stop Facebook changes; falls 299.3 million short: http://techcrunch.com/2012/12/09/vote-on-facebook-changes/
Converting online action offline: http://thenextweb.com/video/2012/12/10/what-can-social-marketers-learn-from-greenpeace-watch-this-video-and-find-out/
The New York Times social media marketing from A-Z: http://boss.blogs.nytimes.com/2012/12/07/social-media-marketing-from-a-to-z/
The White House joins Pinterest: http://digiphile.wordpress.com/2012/12/08/white-house-pinterest-white-house-social/
Google's accidental social network: http://www.buzzfeed.com/robf4/googles-lost-social-network