Orthogonal: I wish there was a good RPC protocol for the web. REST really sucks when you're not doing CRUD (which, frankly, is way more often than expected).
I also prefer RPC-style interfaces, and tend to use it internally - i.e., not exposed as public API, since REST is usually the expected standard. In one application, I was able to use the same group of commands for both AJAX and WebSockets, which just mapped to a folder of functions. It was a pleasure to forget the boundary between client and server, and treat the server as just an asynchronous function call away. I suppose there's nothing stopping me from using a similar structure for external parties to consume the data, it's just that there's no established standard/protocol for how to expose and document such APIs..?
