Governments and mega-corporations have found a way to cheat the the system, the Dream Tanks are their most valuable assets.
One of the most common and well recognized SimSense parlors of the Cosmic Era
A forerunner in Black Datastream content, ACEG is known around the world for hosting and broadcasting some of the most violent, gore and fanaticism filled spectacles of human carnage.
You come upon a ruined building in the back section of a city park (or other out of the way area of the city). The ruins are fairly overgrown. All that is really standing is a doorway and its frame. If you pass through the opened door, you travel to a different world. If the door closes, there may not be a doorway back to get you back.