Seems like these days, the talk of the town is the use of Google Webmaster Tools for SEO or Search Engine Optimization. At BusinessOnLine SEO Blog, Ray "Catfish" Comstock, has put up a post complete with two highly informative videos, that are dedicated solely towards informing users, on how to use Google Webmaster Tools for Search Engine Optimization. Just last month, I had also put up a post, that contained SEO tips as given by Google's Matt Cutts. You might want to take a look at that too.
Here are the videos for all SEO aspirants to learn from: