How to Version a Web Application

Resource is a logical concept. It doesn't really have any data associated with it and the state that it has has to be communicated in some way. The whole idea of the web is to not break that is kind of the one of the design goals of the internet is not to break is to survive nuclear attack. So rather than breaking everybody, we know that there needs to be a little bit of spongy,. you know, fungibility and time over decades for people to evolve their systems or update them.