Facebook is a kind of wonderful communicating website around the world in 21’st century.it helps people to communicate with our office staffs, friends, family, etc.it is also helpful for business.many of the peoples are using it.it helps them to advertise about there business.it is also popular for daily news updates.by these website we are able to know many interesting things about our studies. and it is also helpful to sharing documents.we are very much thankful to the administrator of these special website.