A social network is a social structure made up of individuals called "nodes", which are tied by one or more specific types of interdependency, such as friendship, kinship, common interest, financial exchange, dislike, sexual relationships, or relationships of beliefs, knowledge or prestige.
Social Networks are groups of people who share interests and who interact in a variety of ways via software on websites. These include file-sharing, chatting, messaging, exchanging photos/video etc. Social network sites are usually free to join. Include Myspace,Facebook,Bebo,Orkut,LinkedIn and so on.
We define social network sites as web-based services that allow individuals to construct a public or semi-public profile within a bounded system, articulate a list of other users with whom they share a connection, and view and traverse their list of connections and those made by others within the system. The nature and nomenclature of these connections may vary from site to site.
The Importance of Social Networking：Social networking can help a business gain contacts, clients, and increased public awareness.Even entrepreneurs who run small businesses from their homes can take advantage of this resource to set up a global presence.
To make the most of social networking, its important to fully understand the concept of social networking and how it can be applied in ways that will help you grow your business.
Social networking is making its mark in history these days. In fact, it is progressing so fast, it is leaving the news media in the dust. Everyday people are reporting news faster than a whole news team.
Inernet has been an important part in our life.With the help of Inernet we can develop the effective of our study or job.
For example ,we can learn more knowledge about the world from the Inernet.And as the youngs in 21st centery,the skill of using the Internet has been the most necessary point for us.But there are risks in it.A lot of youngners lost themselves in the data world and can not catch up with others in study.
Theyd like to be the best in the games instead of in hard-working.In my own point,I think Internet has more advantages than disadvantages.People should make the most use of it so that it can been useful not harmful
Nowadays, with the rapid development of IT, networks enclose our life almost thoroughly. One can reconnect with old schoolmates, either via Renrennet, Friendster or Facebook. One can chat with friends, through Tianyanwang, Mop or Twitter.
So what about meeting new friends? To meet this demand, recently many Chinese social networking sites come into being. Social networking sites have began to influence our life in a good variety of ways. To begin with, social networking sites provide us with daily life topics. The most dumbfounding tidbits of gossip and entertainment news are actually figments from the virtual world. It makes a most trendy person be always in the know.
Secondly, social networking sites promote ways of social dating. Those who are busy can now extend contacts outside their relatively small friend circles. What calls for special attention, however, is that social networking sites bring temptation and indulgence at the same time.
Obviously if we ignore the problem, chances are good that time will be idled away. Only if we have a good control of ourselves, can we appreciate social networking sites both physically and psychologically.