Twitter users can finally get all their data: http://thenextweb.com/insider/2012/12/28/twitter-own-posterous-finally-lets-users-to-back-up-their-data-will-it-now-close-down-in-2013/
Zynga and EA slim down on Facebook: http://allthingsd.com/20130102/zynga-begins-culling-games-on-facebook-with-more-to-come/?refcat=social
75% of heads of state now Tweet (pdf link): http://www.digitaldaya.com/admin/modulos/galeria/pdfs/69/156_biqz7730.pdf
Words you'll be hearing a lot of in 2013: http://www.business2community.com/social-media/social-media-marketing-top-buzz-words-for-2013-0366617
Deloitte finds value in gamification: http://blogs.hbr.org/cs/2013/01/how_deloitte_made_learning_a_g.html