So, REST was designed, and by designed, I mean Fielding observed a property in the Web and named it as a way to transfer documents at large, vast, scales, and across tons and tons of nodes so, when we're discussing the style there's actually a really interesting tool that we can use to talk about APls and sort of how RESTful they are because, you know, again we don't have anything to do that sit around the Internet and talk-trash at each-other's APls so, this is a tool called the Richardson Maturity Model and, it lays out the... the four steps... to the glory of REST so this kind of give you the path to go through to go from, sort of Null Style all the way up to a fully RESTful... 