Influential social public opinion events increased and heated up in 2011.Gaffes,the problems of product and service quality,the events of law and police,the events related to social livelihood were in the situation of frequent occurrence.Public administration and social organizations,education,transportation,storage and postal services were high-risk industries of public opinions.There were a few of social public opinion event chains and comparative series of events with obvious features.The phenomenon of two interpretation of positive news was relatively serious,challenging the credibility of the government and other relevant departments.The dissemination efficiency of public opinion enhanced and the extinction time of public opinion accelerated,new media exposure rate increasing continuously.More and more opinion leaders involved in public opinion events which made the effect of public opinions more diversified.The events of network collective action mostly were in charitable activities,and microblog become the main channel of mobilization.Internet has been in a more prominent role in citizens' expression.The "Policy making via internet" gets more and more attention by government departments.The public opinion subjects' ability of crisis intervention has been overall enhanced.The social public opinion will show the situation of popularity and complexity continually in 2012. <<