Academic articles related to social media & marketing

These are two good academic articles that related to social media and marketing. Thanks to Emanuel Rosen for posting the link on Facebook.
http://www.marketingpower.com/AboutAMA/Pages/AMA%20Publications/AMA%20Journals/Journal%20of%20Marketing%20Research/JMRAwards.aspx

Flowtown's 2010 Social Networking Map

Thanks to Sven Tuzovic for posting this to Facebook:
http://www.flowtown.com/blog/the-2010-social-networking-map?display=wide

Zappos corporate culture & social media

http://smartblogs.com/socialmedia/2011/01/10/how-zappos-makes-social-media-a-part-of-its-company-culture/

Predictions for 2011

Digital Surgeons' predictions for 2011:
http://www.digitalsurgeons.com/blog/news/2011-digital-marketing-predictions/

Facebook vs. Twitter statistics

http://www.digitalsurgeons.com/facebook-vs-twitter-infographic/