> Wouldn't it be nicer if the browser could tell the server which version of the interface it understands? It would be nice! However, many packages people want

> Wouldn't it be nicer if the browser could tell the server which version of the interface it understands? It would be nice! However, many packages people want to develop clients for REST APIs with have terrible HTTP support, such as Flash. If you ever see an API that supports a "method" parameter in the URL or POST body, it's because Flash is terrible.