21st century is the age of social media with all its powerful contents and effective features. Who had thought that a short tweet or facebook book post would bring revolution but we have seen. Just recal the picture of 3 year aylan kurdi and observe the response of human rigts group. This was the time when social media exactly emerged as guardian of basic rights. But social media has a lot to do with financial ups and downs of modern time as now social media gives the boom to business enterprises and introduces new technique. Business and social media are now considered two parallel terms. It is matter of fact that now business promotion is not possible without social media. A huge investment without engaging social media is just waste of money. So social media is one of the most powerful element in the realm of business. But a basic question which arises in mind is exactly " what social media is?" Starting from twitter ending at Facebook or it is more wi...