In today's society a world without the use of social media would be unimaginable to people, it would be like the prehistoric caveman days. Social media plays a vital role in almost every aspect of life these days from communicating to business. Social media is used by various age group from babies watching kid shows on YouTube to adults communicating with fellow peers. There are a vast range of social media sites. There is Facebook, Twitter, Pinterest, Instagram, YouTube, tumbler, Snapchat, and the list goes on. In this brief. I will discuss the History of social media, explain the different types of social media, how social media sites make money, what markets do each target, and market share each platform has.