"The Diamond Age : Or, a Young Lady's Illustrated Primer" (Neal Stephenson)
I thought:
Nanotech will bridge cyberspace and "realspace". Why? Because if indeed in cyberspace anything is possible, it is so because anything can be created from scratch and manipulated at any level. Advanced nanotech, in theory, will allow this as well.
"Create" is the key word here. If men are gods in cyberspace...
This thought is probably nothing new. Just wanted to share what just shot though my head.