Authors aren't the only ones who get writer's block. It also happens to bloggers. As bloggers are online nearly twice as much as others, what to blog about is a popular tag and, in fact, may even be the subject of a specific blog posts.
What to blog about is also a tag that can assist those who are just starting a blog. It can also relate to matters ranging from quizzes or a variety of suggestions to assist both new and experienced bloggers. The lists and charts accompanying popular tags can also be a reference.