1University Makes Twitter a Required Class for Journalism Students, http://mashable. com/2009/10/23/twitter-class/.
2《中国记者社交媒体工作使用习惯调查报告》,美通社出品,来自新浪微盘.
3Twitter is not a social network,http:// www.readwriteweb. com, 2010.9.15.
4Haewoon Kwak, Changhyun Lee, Hosung Park, and Sue Moon,Twitter: Social Network or News Medium? Proceedings of the 19th international conference on World wide web.
