Marketing through Social media influencers is one of the most important tools to increase a brands reach and improve its positioning. It is an extended version of word-of-mouth communication. Here the influencer plays an important role is communicating the message to larger audience. Social media influencers are very active on social media like Twitter, Facebook, Instagram, YouTube among others. Twitter is the best social media site to find the key influencers of any industry. By making their opinions by posting tweets on related topics, they influencers the mass public. The best way to find a social media influencer is to search for the most relevant keywords or hashtags of your industry and see who is most active contributor for the keyword or hashtag.