This article explores the effects of social media networking sites on identity formation and self- presentation among adolescence. It analyses the positive and negative consequences of social media use on formation of a unique, authentic and coherent identity. Effects such as self – exploration, community building, networking, learning of new skills are some of the many positive effects that have been explored. Nonetheless, scientific evidence indicating negative effects such as decreased self- worth, social comparison, depleting self – concept, identity confusion, augmenting depression and anxiety outweigh the positive consequences of use. This literature does not vindicate a positive or negative effect of social media as that might present a skewed view.