Social media have now permeated all aspects of life. They have become part of our interactions with family, friends, and our communities. They have been integrated with work and commerce, dating and sex , health and well-being , information gathering, and spirituality. It is an appropriate time to reflect on the extent to which they fulfil their promise improve human interactions and community. Because of their communicative abilities, their institutional arrangement, and the ways we use them, social media produce effects and create issues that cannot be dismissed and ignored. Contemporary events and research are revealing significant effects of social media and the issues they pose for society. The critical issues surrounding social media use and policy efforts involve authenticity of the communication, artificiality of community, individual behavioral and cognitive issues, narcissistic and dangerous behaviors, and anonymity and anti-social behavior. Authenticity of the communic...