SEO black hat white hat gray hat is always the topic of endless discussion. Take Suzhou SEO is also the same, the public said that the public justified, the woman said the reason. Search engine to protect the quality of their search results, Suzhou SEO is also in order to mix mouth eat.
I think SEO is black hat techniques or white, should not see the search engine how to judge, but to see whether or not worthy of their own conscience? If you have touched the moral bottom line? Some things and SEO, the search engine ranking not what relationship, but is a wicked thing, that is the black hat is not do. Of course, some search engines do not want you to do, but did not sorry who, when necessary, there is nothing to hesitate, despite doing.