Social media is the 21st century is most vital method of marketing. Billions of interconnected active users, instant response, instant sharing, interactive content, and personal feel are few of the major reason why social media is the best for marketing. The websites like Twitter and Facebook are the major source of social media marketing, to reach the billions of users in every corner of the world. Social media marketing is quick and instant to reach such high volume of users with highly interactive media content regardless of geographical locations. Social media marketing (SMM) has been trend or referred as best strategy for growth of IT business.