当前,传媒行业正处于大变革的关键时期,受众资源分流,渠道价值衰减,传统媒体广告经营下滑,新媒体竞争无序,不少媒体都在经历着前所未有的压力和挑战。以互联网为代表的新媒体蓬勃发展,媒介技术变革正在成熟,媒介的环境和传播的模式改变了传媒的格局。但是信息轰炸、舆论混乱,使受众真伪 At present, the media industry is in a critical period of major changes. There is a diversion of audience resources, a declining value of channels, a decline in traditional media advertising, and a disorderly competition in new media. Many media are experiencing unprecedented pressures and challenges. The new media represented by the Internet is flourishing, the media technology is maturing, the media environment and the mode of communication have changed the pattern of the media. However, the information bombing, media confusion, so that the audience authenticity