What is a Blog?

While reading through the August 2004 issue of Writer’s Digest, I happened across an article about Blogs.  The article itself never explained the Blog, it only referenced it as a means of modern publication.  The article sparked my curiosity enough to interest me on the spot and I logged onto the World Wide Web for more information.  The magazine article mentioned Blogger.com so off I went.  Unable to find any information on what a Blog is, I reverted to the old standby of computer learning, experience.  So here it is, my own Blog, whatever that means.