Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video will go over, in great detail, issues regarding duplicate content and multiple websites as they relate to Google and search engine results. Has your site been omitted from search results? If yes, or if you've ever wondered exactly how duplicate content affects Google rankings and searches, watch this video.