Question: What is a blog? 

Answer: Blog is another word for weblog. A weblog is a website that is like a diary. Most people can create a blog and then write on that blog. Posts often include links to other sites.\n\nBlogs can have one writer or more. If they have more than one writer, they are often called community blog, team blog or group blog.
This question from the Yahoo Q&A forum is categorized in the topic: Business & Finance