Yes, JSON is "understood" in the sense that it is easy to parse, yes. That doesn't mean actually working with the results is any easier. (1) Without a schema, d

Yes, JSON is "understood" in the sense that it is easy to parse, yes. That doesn't mean actually working with the results is any easier. (1) Without a schema, doing so can actually be harder. (2) JSON leaves out many useful data types and it is not extensible. So, perhaps JSON has "succeeded" by lowering expectations of data interchange. :)