Internal Which employees check social networks the most at work? A recent study found that only one-third of employees admit to using social media at work. Guess which department does it most. By Michael SebastianNov. 15, 2011 SHARE Ragan Insider Premium Content 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.