Articles still one of the most important method of link building, either its give traffic or a good healthy back link. Try to follow these points.
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Article writing provides you with an excellent method of increasing the PR of your website. The only expense to you is a little time to write short, informative articles that have value to others.
I do not think that article marketing deserves the same attention and benefits now especially after panda update. If you want to get your voice heard across all article readers then its ok to submit otherwise you can't use it for achieving high quality back links unless you use unique content in it.
Article marketing is a technique in which businesses write article related to their niche. These articles are then distributed to high PR (Page Rank) article directories with the corresponding links in the anchor text inside the article body. Those links point to the websites of those businesses distributing those articles making ti possible for the readers to open their sites.
If you don’t find yourself doing keyword research, writing articles (if you do not outource them yet) and getting SEO backlinks most of the friggin’ time, you are letting time pass by and that means you are not getting closer to your goals.