What is Black Hat SEO? The Magic of the Blog Farm and Secret Success of the White Hat.

The What is Black Hat SEO? It is an incredibly simple (yet complex) way to generate thousands of hits to your site. What is the difference between the black hat seo and white hat seo? Good vs. evil? A "blog farm" helps generate much content from other sites allowing you to grow your blog quickly.
Is blog farming legal or illegal? Secret to making money from blogging and google adsense is creating a niche blog and high paying keywords.
The easiest way for a beginner to make money from a blog is to follow the black hat seo. Where can I find a blog farm?