PR Study: ‘Influencer marketing’ on the rise Brand managers can increase their success by finding and building relationships with passionate consumers, employees and other social media rock stars. By Beki Winchel@bekiwekiMarch 23, 2015 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.