In the Mirror of Genre:  Students Write this World
Genre, Form and Webtext 
If we are to learn how to read and write this world, we must learn both its textual forms and the rhetorical situations that spawn these forms.  In other words, we must understand its genres in the sense meant by genre theorists such as Bazerman, Miller and others.

The hypertext gurus of my introduction speak mainly of literary hypertext.  But I am interested in argumentative hypertext: hypertext that, like an essay, tries to put forward a point of view.

Genre is not just form, tt is form wedded to rhetorical occasion.  But an examination of form is a good starting point for an examination of genre.  In Socrates in the Labyrinth, David Kolb suggests forms that argumentative or "philosophical" hypertext could take:

Mostly linear ways:

Less linear ways (but retaining main lines): Much less linear ways:  
More stuff on Kolb from 
Eastgate Publications
Rhetorics of the Web--
my baggy monograph on this subject