JF Ptak Science Books Quick Post
Ted Nelson had a lot of ideas about computers, though not that many are remembered today, in spite of a bunch of them being pretty smart. (He coined the words “hypertext” and maybe “hyperlink”, for example.) In any event there’s this little diagram of the possibilities of his “world wide network”, which I think no doubt is one of the earliest “maps” of the yet-to-exist internet.
[Picture source: Ted Nelson, Dream Machines (1974) via Alex Wright, Glut, Mastering Information Through the Ages (2007), p 215.]
It is also interesting to see that the frontis illustration for his book uses Tik-tok, a metal/machine character from a series of books by (Oz) L. Frank Baum, this one Tik-tok of Oz (1914).