With that being said, it can also do a whole lot of nothing if not done properly, which is why many people 
become frustrated with it and don't see the potential upside.
What you will notice, however, is that your profile page should have a page rank of 
either 3 or 4, depending on the directory you chose.
Like you have good knowledge and experience in optimization technique,
so you know about No follow and do follow links for back links.
