Article marketing is an awesometastic (yep, it’s a real word) way of building high PR backlinks for your website. And its effectiveness triples when you’re using some kind of article submission software. Most of the article directories (that are worth submitting to) are pagerank 5-8, which makes them an outstanding way of acquiring link juice.
Google and the search engines are in love with article directories such as EzineArticles, ArticleCity, ArticleBase and ArticleFeeder. You can easily dominate 4-6 positions on the first page of Google if you do your keyword research right. This means that a backlink from an article directory will not only become utterly valuable over time, but will also turn into a major Authority Indicator for Google.