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 why Google takes into account the placement of links on a page when calculating the PageRank that the link generates. Specifically, he says that putting links in footers are less PageRank-affecting than links surrounded by text. This is good stuff to know if you're in SEO or are trying to build links for your site.