What is blog ?
A blog is a kind of website. The term "blog" is the shortened form of "weblog" - a dairy or journal on the Web. The owner of the blog writes on the blog and is known as blogger or auther of the blog. The activity of updating or writing for blog is called blogging.
The "blogger" (or author) writes periodically about a certain topic of his or her choosing (personal experience, thoughts, hobbies, political aspirations, etc.). The blogger can provide links to other websites that s/he thinks might interest the audience. The updates put on the blog by blogger are called blog-post.
Blogs usually have a few features that are useful for the blogger and the readers.
Types of blog
Web of today has millions upon millions of blogs. There are blogs maintained by individuals, there are blogs maintained by companies or organisation one the web, and then there are blogs dedicated to factual information like news, and so on. But, one thing is common - they tend to fall into these types of blogs: