If you appreciate the stability, the use of white promotion — your option. You will not be a man, the site of which flew to a ban, if not violate the license of search engines, in fact, the site over time, will develop and grow in the search, will be an authoritative resource, and then you will find your search happiness. And if you want to search the site remained in years — it will never allow yourself to be tempted to buy links, or to stick low-quality content. If you want to spend money and buy something for the site — make original articles or place contextual advertising. It will be much more useful for the site and effectively to promote the company’s services. So white promotion — the easiest way to gain the trust of search engines, which once again confirms the simple truth: do not catch fish from the pond easily.