What is Google Pagerank Algorithm & How It Works?

http://Bloggin.gs Google’s Matt Cutts explains the basics of PageRank.
PageRank is a numeric value that represents how important a page is on the web. Google figures that when one page links to another page, it is effectively casting a vote for the other page. The more votes that are cast for a page, the more important the page must be.

http://bloggin.gs/what-is-google-pagerank