Social Network Service

Asslam-o-Alaikum

What is a Social Network Service?
A social network service or SNS connects people who share interests and activities, or who are interested in exploring the interests and activities of others to build online communities.
Social network services are usually web-based.
Social networking services allow users to create a profile for themselves and provide a variety of ways to interact with other people e.g. instant messenger, e-mail etc.
Services like blogging, discussion groups and file sharing are also available in SNS.
Most common SNS are Facebook, Myspace, Orkut, Twitter and YouTube etc.
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Social networking services are of two types:
Internal social networking (ISN):
An ISN is a closed/private community that consists of a group of people within a company, association, society, organization etc. e.g. ARPANET.
External social networking (ESN):
An ESN is open or public and available to all web users in the world to communicate e.g. Facebook, deviantart, myspace etc.
Both types can increase the feeling of community among people.
Types Of Social Network Services
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There are 650+ active social networking site.
Joining Social Network Service
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Joining Social Network Service
Signup on desired social networking site.
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Complete profile information.

After completing profile, start searching for people you know.
When you find some one, click the button “Add as Friend”.
How Social Network Service works?
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Once you do that, you and that person have a connection on the website that others can see.
You become a member of that person’s network and that person becomes a member of your network.
All of your activities and your friend’s activities will be shared among you and your friends.
You can also join discussion groups or communities in similar way.
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Some social network sites:
Social Networking Sites
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Most popular SNS.
Founded in Feb. 2004.
The website currently has more than 300 million active users worldwide.
Services include file sharing, blogging, Instant messaging, group discussion, online gaming etc.
Social Networking Sites; Facebook
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3rd largest social networking site.
Twitter was founded in 2006.
Micro-blogging or mini-blogging social network site.
Twitter will have estimated 24 million users by the end of year 2009.
Social Networking Sites; Twitter
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Advantages Of Social Network Service

Through social networking service, you are no longer a stranger.
Through social networking, finding job or any other objective becomes easier.

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Make friends from all over the globe.
You can easily keep in touch with your friends and relatives.
Flexibility to join your favorite groups and participate in discussions.
Good source of entertainment and information.
Very suitable place for advertising and promoting your business.
Advantages Of Social Network Service
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Social network services are time consuming.
There is a risk of cyber-stalking, identity theft, and online scams.
Disadvantage Of Social Network Service
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Social Network Services connect people from all over the world.
Most social networking site are free and every one can join it.
Once joined, social networking helps you to make the most out of your social network.
Social networking can be dangerous and time consuming.
Summary
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www.wikipedia.org
www.facebook.com
www.orkut.com
www.linkedin.com
www.youtube.com
www.myspace.com
www.twitter.com
www.aboutsocialnetwork.com
References
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Question & Answer Session