Facebook is the most popular social networking site of all time. this networking website that was launched in February (2004) operated and privately owned by facebook. the popularity of facebook has increased drastically. within 6 years of its launch facebook reached one billion users milestone. now a days it has become very important part of our life. users must register their accounts after which they may create of personal profile, add other users as friends. they exchange messages, including automatic notifications when they update their profile. users may join common interest user groups. organized by work place. school or college or other characteristics. at the some time, Facebook is known to be a factor which distorts one's perception of reality, declines satisfaction of one's life and personality and relatively affects relationship between people. Facebook can be dangerous for teenagers and children. parents who would like to protect their children from negative information on the Internet should consider how facebook is full of links to other media resources, some of which can be explicit. due to the reason parents have a right to feel worried about so called friends of friends. one cane know all the friends off their children but these friends have other friends who have a negative influence one these children. people who use facebook tend to feel liked they are in touch with the rest of the world regardless of distance. this sensation makes them feel better. hence facebook can be a useful tool for those who need to receive operational and fresh information. so facebook is a great way to keep in touch with people who are far away and nearer.
