paragraph social network service for class 9-10 and Hsc

Social networks are the networks or a means through which share their opinions, ideas, information etc.
A social networking service is an online service. As this is an internet based service, there is no matter of geographical boundary here.
Using this network one can make friends across the world. There are a good number of social networking services such as Facebook, Twitter, LinkedIn, Youtube, Skype, etc.
Among these, now Facebook is the most popular social networking service. All kinds of social network services are internet based. Nowadays, social networks are expanding very fast. Because, most of the social services are cost- free. Most mobile phone users can now create their own profiles, make friends, hold private conversations, share photos and videos, and share blogs by using their mobile phone. But social networking services are not free from demerits. The young generation specially the students are getting addicted to such kinds of social networks. As a result, their study is greatly hampered. Besides, some go to the dogs because they like to share obscene videos with their friends. Even killing, smuggling eve-teasing, etc. are likely to happen with the help of social networking services. So, the world community must be aware of the bad effects of the social networking services and find a way to stop their misuse.