How to Assure that URL's blocked in robots.txt don't show up on Google

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 explain how URL's that you've blocked Google from crawling with robots.txt can still appear in Google search results, and teaches you a couple of ways to make absolutely sure that parts of your site don't appear in search results.