OK, so what is a page 404 error. You've seen them before. The website you intended to go to comes up but instead of the content you were expecting in the content section you get a cryptic message that say something similar to Page Error 404. Page Not Found. This is a page that is set to automatically display if someone tries to access a link to your website that does not exist. Most reputable website design firms will create this page for their client website. Well here is a great article from the Wall Street Journal that talks about 404 pages and some creative fun with them. Good read.