Writing & Editing 5 frequently misused punctuation marks Guess what. Problematic punctuation is ubiquitous. It’s also profoundly disturbing to a great many people. Here’s what you can do to help. By Rob ReinaldaSept. 25, 2018 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.