About ExistenZ and Holodeck

"As in Videodrome, [David] Cronenberg gives his psychological statement about how humans react and interact with the technologies that surround them. In this case, the world of video games. (…) In the near-future, organic virtual reality game consoles known as "game pods" have replaced electronic ones. The pods are attached to "bio-ports", outlets inserted at players' spines, through umbilical cords. Two game companies, Antenna Research and Cortical Systematics, compete against each other. In addition, a group of "realists" fights both companies to prevent the "deforming" of reality."

At http://en.wikipedia.org/wiki/Existenz.

"A holodeck, in the fictional Star Trek universe, is a simulated reality facility located on starships and star bases. (…) The holodeck is depicted as an enclosed room in which objects and people are simulated by a combination of transported matter, replicated matter, tractor beams, and shaped force fields onto which holographic images are projected."

At http://en.wikipedia.org/wiki/Holodeck.