"If you haven’t looked at the state of Rails documentation lately, it’s time to look again. The new Ruby on Rails Guides page includes 14 separate guides for Rails developers, with topics ranging from “Getting Started” to routing, security, testing, and debugging. That’s over 70,000 words of help content for Rails users that didn’t exist two months ago when we launched the Rails Guides project..." -- see also: Rinari: Ruby on Rails Minor Mode for Emacs