With the release of Flex 2, Adobe has introduced a tool that makes building rich user interfaces for the Web easier than ever; of course, as anyone remotely plugged in to the Web development community knows, Ruby on Rails has made creating database-driven Web applications brain dead simple. This article discusses a technology that marries Flex with RoR applications by providing a means of automating the communication between the client and server. The technology is 'WebORB for Rails,' a free and open source (GPL) server made available by Midnight Coders (www.themidnightcoders.com).