search for: urlify

I remember reading somewhere a tip on improving your search engine ranking, by forming URLs that included relevant text, e.g. www.domain.com/article/man_eats_hat. In the rails app that I''m writing, I''ve noticed I can set this up very easily by appending the post title (after downcase.split.join(''_'')) to the post link. So, blog.com/posts/4 can easily also be