Writing articles is essential to your success online. Every web site needs content and that content is most often and easily supplied by articles. But having a site without traffic is useless. Again, articles come into play in a big way. When your articles are posted to directories, they become a source of traffic to your web site.Blog posts are in essence, short articles. Books, manuals, home study courses and other information products are usually composed of several sections. And when you break those sections down, what you're essentially left with is a collection of articles.