Social media marketing is the process of utilizing online social channels to communicate with others for the purpose of expand your customer base. Today social networking commonly refers to all those activities that are carried out within exclusive online services that provides free space and software tools which allow to create networks of people. Social networks, such as Twitter and Facebook have witnessed a intense growth in their membership. Social media is a wonderful and exciting world, and understanding each of the tools available will give you the confidence to build a real following that you can leverage to increase sales, expand brand awareness, or establish a personal relationship with your customers. In modern times, people are interacting in many different ways, some by telephone, some by E-mail and some by chatting networks. Every day, people are using the computer/ cell phones to talk with one another and social networking sites are a big reason for this. Social Networking Websites are being used by various multinational companies in the world; order to convey their messages using word of mouth technique. For many people in Asia, mobile phones are the only gateway to the Internet. Facebook, one of the largest social networks in the world, has been very important in letting people communicate with one another easier. Because society is communicating over the internet, it is much easier to develop and build old and new relationships. While social networks allow people to be more sociable and expand their relationships, this type of communication can have problems related to privacy and safety. Social media marketing programs usually center on efforts to create content that attracts attention and encourages readers to share it with their social networks. A corporate message spreads from user to user and presumably resonates because it appears to come from a trusted, third-party source, as opposed to the brand or company itself. Social media engagements are a good platform to consistently demonstrate thought leadership. Thought leadership is fast emerging as a must-have in B2B marketing to have real impact, lead and stand out. It helps strengthen your market positioning, enhance your perceived value to clients, build trust and loyalty, and generate more business overall. Once you have your social media strategy in place you will need to invest some time on research to find out where your audience spends most of its time. From LinkedIn, Twitter, blogs, forums, to YouTube and Facebook there is an increase in users across all age demographics. In other words, a social networking service is a Web site that allows individuals to construct a public or semi-public profile. Social networking could really help to discover new ways to communicate knowledge by moving the focus toward a more and more ubiquitous learning developed by community interactions.