The document provides tips for starting a blog, gaining momentum, and maintaining engagement over time. It recommends rigorously evaluating the purpose of the blog, developing clear ownership and moderation policies, choosing a platform, publicizing the blog, participating in online discussions, regularly posting high-quality content, and evaluating engagement over time. If momentum declines, the document suggests trying new formats or being creative. It also stresses having an exit strategy if discontinuing the blog to communicate positively with readers.