Facebook is a social networking site . Now everyone know about Facebook and also know how to operate this . This is the most famous online social networking site is this world and it is too easy to operate . But sometimes Facebook is not safe for us. You can look here unknown person . And you can be friend with those unknown person so you personally don’t know them, how he/she is. so please don’t share your personal details with them . Don’t meet up with them easily . Don’t believe them easily. They can heart you. So be careful about that. And it is like a drug to the children and teens . And also it’s not good for students . They are totally flow with it and wast there time in it. otherwise if u careful about all those things it is too good and helpful for us. The service & support system of this site is too good. Content are very clear .It is very friendly for us. And it don’t too much time to load.