It is not always about the revolts.
Microblogging after a Major Disaster in China
A recent study of Sina-Weibo analysis how users responded after the 2010 Yushu Earthquake. The study found that netizens used Weibo for four main purposes: situation updates, expression of opinion, emotional support, and a calling for action.
What Trends In Chinese Social Media This is a research paper on Weibo as the Chinese first social media platform which supported by the Chinese government. It contributes a background on how this social media works in a world where all systems are monitored.
How The Great Firewall of China Works?