What Are JSON, JSON-RPC and JSON-RPC-Java?

What Are JSON, JSON-RPC and JSON-RPC-Java?
Introducing JSON (JavaScript Object Notation), "a lightweight data-interchange format with language bindings for C, C++, C#, Java, JavaScript, Perl, TCL and others." JSON is the scripting language that makes things like Google's GMail so much faster than other browser-based tools. More...