The online advertising network Chitika compared the genres of sites that receive traffic from the major social networks (Twitter, Facebook, MySpace, and Digg) and found differences in the content preferences across the networsk. In particular, according to the analysis of over 280,000 links, Twitter users are more like to consume news (47% of traffic), Facebook users are interested in news (28% of traffic) and community (17%), MySpacers prefer video games (28% of traffic) and entertainment (23%), and traffic from Digg is almost equally distributed between news, entertainment, technology and video games categories (~18% each).
Via Mashable