Let's do a new word processor. It wouldn't have to inherit the limits of old word processors. Let's do a different application integration strategy. No OpenDoc , no OLE to mess with. Clean connections between apps.
New platforms create opportunities for new kinds of software.
Ask Mitch Kapor , John Warnock, or Paul Brainerd. I learned that with outlining software on the Macintosh. I also learned that old platforms don't accept new software ideas easily. I've had lots of experience with that one. An interesting metaphor.