We all are known that it is the age of globalization. In this age, one can’t live alone. By this contemplation human created society. So, if anyone tries to live in a society, he has to be social. In this age, we say that the world is in our hand. Today-there are various to get connection to the society. Such as Mobile Phone, Television, Radio, Internet etc. Here, the top most way is Internet. There is a phrase named social Networking. Now it makes a question- what is social networking? Yes. ‘Social’ means communal and ‘Network’ means net or set of connection. So, “Social Networking’ means a set of communal connections. By the help of the internet we can make a social network. There are many social networks in Internet. This type of networks helps you to connect with your family, friends, relatives and whole world. There are many social networks (web sites) in internet world, like Facebook, Twitter, Hi5, Linkedin etc. These sites have many features. Here you can chat with your friends. You can also set your images. You can present your ideas. You can find your friends. There is a true story that “A Mother lost her 14 years old child in a shopping mall, after 7 years the child found his mother by the help of a social network named Facebook.” There are also many stories happening in this world with these networks daily. It is a new type of society. Many friends find their missing friend. If you want to find a lost friend, you can try these networks. If your luck Sustains, you may find yours.