Cyberspace

Cyberspace is the navigable region of the net, accessible and immersible via link. One can select their own avatar, gravity settings and more. 
The nets are still vast linked computers and servers and the like. They still use binary and code characters and even HTML in some places, but more often a type of code that works somewhere between VRML and the synaptic impulse patterns responsible for sight and hearing.
It includes:
The Nikkei
The Nikkei Undernet
The Black Crag