Social Media Infographic: How people really use LinkedIn Ever wondered how often people change their profile picture, or how many times a week your co-workers log on to the professional networking site? This graphic has the answers. By Kristin Long@KristinMLongJan. 12, 2012 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.