Forms becoming more conversation. Semantic instant mesaging with conversation. Remote operations with XML protocols. Look at documents as fratic of conversations. Message is a little different, has a to pointer and a from pointer and a namespace pointer.
Protocol is two documents with the same protocol namespace.
HTTP forgot requirement about social request that an HTTP request is an assertion and has real-life meaning. We get hung up on strcutrure and forget what things mean. Means you can uncouple things. WG don't need to be independent. AI people have made a good living by confusing people.