Social media marketing is a sub category of Internet marketing that takes all social networking sites as a platform to perform their marketing activities to expose their brand. The whole scenario of marketing has changed majorly with the introduction of this trend. The main strategic advantage behind social media marketing is to help a company gain brand recognition and widen customer reach by sharing their content on various social media sites including Facebook, twitter, Instagram. http://www.solutree.com/service/social-media-marketing.php