Writing & Editing Infographic: 15 of the most avoidable language errors Share this with your friends and co-workers. By Kevin J. AllenMarch 9, 2012 SHARE Ragan Insider Premium Content Chances are, if you made it through college and are now employed as a professional communicator of some sort, grammatical errors drive you insane. Especially these: 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.