Investigation of Social Networks (Facebook, Twitter, Line, Viber) Impact on Social Identity of Users

New communication technologies and their information highway, especially Internet, have led to developments in intensity and extent of people communication throughout of world, and they have created qualitative development in type of people communication with each other. It means that nowadays it is possible to use a lot of information in the least time and establish oral, written, and visual communication with relatively low cost using social networks with the presence in in this highway. While many developments played role in emergence of this phenomenon, it has created several developments after its emerging, that one of these developments occurred in the base and meaning of social identity of people. In this study, we examined the impact of social networks (Facebook, Twitter, Line, and Viber) on internet addiction, undermining the values of Iraninan culture, fading and fragmentation of social identity.