The Public Relations industry has been constantly evolving and adapting itself to the changing environment. The emergence and growth of social media has completely transformed the way businesses interact with their target audience and hence have made an impact on the public relations industry. As demand for social media increases, Public Relations practitioners need to educate their clients on social media. This presentation aims to introduce certain key aspects and issues regarding social media like what is social media, why is it called social media, what are the advantages and disadvantages of using social media, what are the sociological concepts behind social media and what is their relevance to PR and how social media can be used. Hope you find this presentation informative and please feel free to leave comments.