Social network referred to as a virtual community or profile site, a social network is a web site on the Internet that brings people together in a central location to talk, gossip, share ideas, share interests, make new friends, etc.
Popular websites like Facebook, MySpace, LinkedIn, Flickr, BlogSpot, and Xanga make it easy to build a web of friends and acquaintances, and share with them your photos, whereabouts, contact information, and interests.
Social networking sites explained
Sometimes called “friend-of-a-friend” sites, social networking websites build upon the concept of traditional social networks in the “real world,” connecting users to familiar and new people through mutual acquaintances and common interests.
The very nature of such sites encourages users to provide a certain amount of personal information. But when deciding how much information to reveal, people may not exercise the same amount of caution on a Website as they would when meeting someone in person.
This happens in three reasons. First is the Internet provides a sense of anonymity. Second the lack of physical interaction provides a false sense of security. Third they tailor the information for their friends to read, forgetting that others may see it.
Sharing too much information on social networking sites can be problematic in two ways: first, it can reveal something about you that you’d rather your current or future employer or school administrator not know, and second, it can put your personal safety at risk.
Facebook is a social networking website that was originally designed for college students, but is now open to anyone 13 years of age or older. Facebook users can create and customize their own profiles with photos, videos, and information about themselves. Friends can browse the profiles of other friends and write messages on their pages.
Twitter is a social networking and microblogging service that allows you answer the question. Tweet is a