Blog is a very cheapest medium on internet through which you can express your feelings and write according to your wish about any thing you like. At the same time you can read news about computer, internet, sports, politic etc.

It gives you freedom of writing articles where users can give opinions about your article and you can get a lot of information and you can also share your opinion and exchange your websites link with many people through sending comments, this is the greatest marketing of your website and the easiest way to sell your products or e-books online.

Especially those people who have websites but the people are not clicking on it, so one can easily make advertisement through blogging.

Online marketers are constantly devising new Internet marketing strategies in the hopes of driving more traffic to their Web sites and making more sales; witness the increasing use of blogs as marketing tools for business.
If you're new to Internet marketing, I recommend focusing on web design and search engine optimization as a starting point; for most sites, the most traffic still comes from search engines and directories.
Anyone can easily earn money online from blogs. Increasing of traffic on your articles or on your website the best way of advertisement is blogging where you can easily find bloggers and can get connected with them and you can send back links as well to make your website famous.

There are many blog directories are available but this is very great, that if one can find the famous blogging directories where your opinion plus website link, will be share with many visitors because thousands of people you can find on various blogs directories easily.
Anybody that has access to the Internet can start to make money by creating his or her own blog. Overall blog is a simple website which allows the owner to post updates at any set interval could be every hour, every day, every week, etc. With your own websites you can code the pages exactly the way you like, but with a blog you tend to have to use an already available layout style.