In a word, duh. Man, you would be blown away at how many people still do not get this! Thankfully this article below does a good job at clearing the air once and for all.
Launched in September of 2005, Content Edge is an article directory and syndication service for writers and a content sources for webmasters. Publishing articles on article directory sites is an effective strategy for building relevant back links to your site. Webmasters seeking content, related to their niche market, can download your article and re-publish it on their on their site.
The viral nature of this strategy becomes evident as your article is picked and published on other sites. Each time your article is re-published, this translates into improved page rank, link popularity, and search engine ranking which means more targeted organic traffic flowing to your site. [Read the rest]