. Since the development of networks, SNS (Social Network Service, the social networking service) Web site from March 2003 in the United States have sprung up in just five months has been fashionable throughout North America. In China, contact home, happy network, school networks, etc. The site also provides services such as the SNS mushroomed first emerged. So, SNS network can set off in a short time such a strong boom and generate a wide range of social impact, with its own structural patterns and dissemination functions are inextricably linked. SNS network and blog age compared to the traditional type of network, its pros and cons of how different? The depth of the community as a type of network, and its development trends in the need for analysis and research.
KEY WORDS SNS Network / Structural model / Communication Function / Trends
