Over at Friendfeed, an interesting dialog between Google employee DeWitt Clinton and Dave Winer: Dave, if you could go back in time, would you have used JSON instead of XML for RSS, OPML, XML-RPC, etc, had JSON been popularized at the time? The reason I ask is that most of those protocols and formats don’t use much of the extras that XML is required for (schemas, namespaces, attributes, data escap