The problem is XML is _markup_ language and it was forced into data serialization -- hence endless mocks and people hating it. There are people who actually us

The problem is XML is _markup_ language and it was forced into data serialization -- hence endless mocks and people hating it. There are people who actually use JSON for markup... the resulting schemas are usually very bad, and they disappear quickly without even gaining fraction. When used properly -- XML for markup, JSON for serialization -- each format is pretty nice, and will probably last forever.