Hypertext writing is more important than ever!
But first let's deal with terms.
I'll use a (Shameless Plug) http://www.freevoteusa.com/ [freevoteusa.com] (/Shameless Plug) to illustrate.
However badly, I got rid of most of the "Placeholder" signs, so there it is. Back to the point: You can Expand and Collapse the topics to your taste. At its best, that's what Hypertext Authoring does. X days (weeks if I get lazy) from now, I'll upload a new version with updates on all the nodes.
That's the future of Writing.