Paper shopping catalogs outperformed social networks: http://venturebeat.com/2013/01/08/christmas-2012-shopping-paper-catalogs...

The benefits of LinkedIn endorsements: http://mashable.com/2013/01/08/linkedin-endorsements-are-good/

Samsung buys tweets from AP's account: http://venturebeat.com/2013/01/07/the-associated-press-starts-selling-ac...

Facebook mobile ads have a 70% premium over desktop ads: http://techcrunch.com/2013/01/07/facebook-mobile-ad-spend/

181,000 "social media (somethings)" are on Twitter: http://adage.com/article/digitalnext/181-000-social-media-gurus-ninjas-m...