英语作文100词 社交媒体利与弊: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 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 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 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 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 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.