In fact, the definition of a document will be the set of programming commands that create the document, because the actual presentation will be different every time. And what that does for information rights and policies, I don't know. But it's clearly very different. Because we can all participate, the new media is an inclusive community. The legacy media has a very high barrier to entry.
Computers are cheap.
I've been on the Internet in Washington with a computer we saved from a dumpster. The organization in the old media is top-down. In the new, organization is more bottom-up. It's linear versus hypertext. It enables dialogue.