Article marketing has a viral effect. Many article sites utilize what is called a Creative Commons copyright license, which basically means that anyone can reprint the articles you submit and then reprint on their sites, as long as, all content is retained, the credit is given to the original author, and the backlinks to your sites are kept intact within the article. This creates a great viral opportunity for your websites because when your articles are reprinted your links are then spread all over the web giving you great exposure and traffic for your websites. I do a lot of article marketing and of all the sites I submit to here are the top performers in publishers downloading my articles that generates tons of backlinks and traffic back to my sites: Article Dashboard - PR6 Go Articles - PR6 Amazines Articles - PR3 - Also allows hyperlinks anywhere in the articles Article City- PR6 - Also allows hyperlinks anywhere in the articles Article Alley - PR5 - Also allows hyperlinks anywhere in the articles Make sure to write quality articles as this will yield more republishing and therefore more exposure to your sites: Here are a couple of guides to writing quality articles: 4 Tips for Writing Quality Articles for the Internet and Are You Writing Garbage? - Keys to Writing Great Articles