微博,也称即时博客,它是一种非正式的迷你型博客,与博客的最大区别就是其形式上更加简短,思想内容上更加碎片化。有人认为,微博是手机短信、社交网站、博客和IM等四大产品优点的集成者,它的这种杂交优势,将推动媒介本身的变革。①另外,媒介融合的革新趋势使得信息交互趋向多元化,传播途径更为多样,媒介环境更 Weibo, also known as a real-time blog, is an informal mini blog whose biggest difference from a blog is its formal simplicity and its fragmented nature. Some people think that microblogging is the integrator of the advantages of the four major products such as mobile messaging, social networking sites, blogs and IM, and its hybrid advantage will promote the transformation of the media itself. In addition, the trend of innovation in media convergence has led to a diversification of information exchange, more diversified channels of transmission, more media environment