Achieving countless visitors in your website is necessary if you are in the internet or affiliate marketing business. It is the core of your business, and is responsible for keeping it alive and running. If you have a countless amount of traffic entering your site, you have an excellent chance of making it big in the industry. However, if you are not able to get any website visitors, your chances are greatly reduced.
One way of increasing internet traffic is by registering or submitting your blog to blog directories. You can find quite a few on  http://www.searchenginejournal.com. Some are free such as Technorati (claim token JSJBH6TS75V), while others have a charge. Its important to review each blog directory terms as some require your blog to have a certain amount of posts, while others require your blog to be seasoned which means that it has be a certain age (6mo's, 1yr, etc).
There are quite a few blog directories, and getting your blog listed can be very time consuming. However, the effort can provide a big reward as it ultimately results in increased sales.