I love JSON because it provides for one and only one correct way to serialize a particular data structure. With XML I always have to decide whether to use an at

I love JSON because it provides for one and only one correct way to serialize a particular data structure. With XML I always have to decide whether to use an attribute vs. content vs. child node for a particular piece of data. There's an enormous "impedance mismatch" between XML and pretty much any programming language, whereas JSON just feels natural.