There are two SEO techniques that you can use to promote your site. These are the white hat and the black hat techniques. White hat techniques follow rules of search engines and its goal is to create high quality content. On the other hand, black hat techniques use tricky methods and usually take a short cut to increase the page rank of your site in Google. It overuses the keywords in a page and presents different versions of pages to real visitors. Although black hat can indeed increase the page rank of your site, it won’t last longer compare to white hat techniques. You will see as you read Unique Article Wizard reviews that this service is not a black hat technique.