Read the texts and match them with the titles. There is one extra title that you don't need to use

• The best social networking site
• New opportunities to communicate
• Time eaters
• Useful for education
• They can be dangerous
• Different opinions

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Social networking sites help us to keep in touch with friends and family. Also, they let people create new relationships and reconnect with old friends. In every way, more communication, even online, makes connections stronger.
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Social networking sites have many time-wasting activities. You stay online longer than you planned and do nothing serious or important. Experts say that teenagers spend about nine hours every week on social networking sites.
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Social networking sites can be used in schools. They can help students to learn how to get information from Internet resources and share it with classmates.
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A big risk about social networking sites is that they don't guarantee that their members are who they say they are. If a person says he is James Burns, a college student, we have to believe him. We cannot check his real name or occupation.
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Social networking sites such as Vkontakte, Facebook and Classmates are very popular nowadays. Some people say that these sites are good for our society, but others are sure that they are useless. What you think about these websites depends on your age, job, interests and way of life.