There are some benefit that can be obtain by joining social network group in the internet. Nowadays, many people have create an account in social network group such as, facebook, twitter, blog, and others. Through this social network, people can maintain social relationship with people arround the world. Moreover, they can also use their account as marketing tools to market their products. Besides, they can also read the experience of other people who write in their account. However, we often heard from the news that there are some irreponsible parties who try to cheat or defeat other by pretending as famous figure or providing interesting offers which require the people to transfer some amount of money but they did not get anythink. Therefore, people should be careful and pay attention to whom they will build the social relationship with and do not easily trust other people.