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单词 social media
释义
social media

Computer
  • Websites that offer social networking services. Social media platforms became very popular in the 2000s and now have billions of users worldwide. Registered members of these sites are able to designate other members as ‘friends’, thus creating social networks based on shared interests, etc. The sites offer services that allow friends to communicate easily, for example chat rooms, blogs, instant messaging, and uploading and sharing of images and videos. They also encourage users to post an online profile of themselves, which other users can access, as a means of making new friends. The easy availability of such information and the difficulty of establishing its veracity have caused security and privacy concerns to be raised about social networking websites, especially because many users are young people. See Facebook, LinkedIn, MySpace, Twitter.


Internet
  • Media that makes social interactions between users possible.


World History
  • Applications of information and communication technology, especially using the World Wide Web (see internet), that allow users to interact with each other. Such applications became very popular in the 2000s and now have billions of users worldwide. Users post material—text, pictures, films—on the application that other users can access. In a simple case, a person maintains a ‘blog’ (an online journal or ‘web log’) that is available on the Web and can be freely accessed and commented on. Other applications offer more sophisticated services. Facebook, founded in 2004 and the premier social-media application of the early 21st century, allows users to specify what content is visible to all users and what is visible only to a specified set of ‘friends’; Twitter, founded in 2006, involves the posting of short messages (‘tweets’) that are received by all users who have chosen to ‘follow’ the sender. The application encourages users to make new contacts, and thereby build up social networks.

    Such easy mass interaction, with a worldwide community of users, is an important phenomenon, but it is too new for its consequences to be assessed with certainty. In particular, it has been suggested that social media makes it harder for a repressive state to control its citizens. Social media has been credited with an important role in the Arab Spring, when it enabled protesters to coordinate their activities; and, more generally, with enabling ordinary people to act as sources of information not controlled by the state. In all countries the number of social media users and the speed with which information can be exchanged make them an increasingly important body of opinion. Likewise, social media is also a useful means for organizations to disseminate information to and interact with their customers, members, etc. Maintaining a presence on Facebook and Twitter for marketing purposes is considered important by many companies. However, concerns have been raised that social media’s impact can be harmful and in extreme cases there have been suicides following campaigns of online bullying. Also, there are concerns about the amount of personal information that users are content to reveal.


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