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Discussion

 Most social network services are web-based and provide means for users to interact over the Internet, such as e-mail and instant messaging. Online community services are sometimes considered as a social network service, though in a broader sense, social network service usually means an individual-centered service whereas online community services are group-centered. Social networking sites allow users to share ideas, pictures, posts, activities, events, and interests with people in their network.\

The passage best supports the statement that: 

 

  • A.Facebook service consists of a representation of each user (often a profile), his/her social links, and a variety of additional services. 
  • B.A social networking service is a platform to build social networks or social relations among people who, for example, share interests, activities, backgrounds, or real-life connections.
  • C.Several websites are beginning to tap into the power of the social networking model for philanthropy. 
  • D.Companies have begun to merge business technologies and solutions, such as cloud computing, with social networking concepts.

Answer: B

Correct answer: A social networking service is a platform to build social networks or social relations among people who, for example, share interests, activities, backgrounds, or real-life connections.

The passage is a general account of what a social network service is: web-based, offering means to interact over the internet, individual-centred rather than group-centred, and letting users share ideas, pictures, activities and interests with people in their network. This option gives the corresponding general definition. The others narrow to one company, to philanthropy, or to business technology, none of which the passage discusses.

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