It's all conjecture unless you happen to be Mr Google. There's more than one way to get real visitors to your website. You can create excellent content that people want - the word will get around, naturally. Or you can create links, buy advertisng, write articles, blog & forum comment and do all that other stuff that people do to get links and traffic. PS - If google is so against 'link buying', why are they selling links themselves? Isn't that what adsense is all about?