Internal Employees who use social media are more efficient, survey says Staffers who use one to four social media sites do their work better and faster than other employees. Plus, they stay with their companies longer. By Kristin Long@KristinMLongApril 9, 2013 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.