The term ``cyberspace'' was coined by science fiction writer William Gibson in his book Neuromancer published in 1984.

``Cyberspace. A consensual hallucination experienced daily by billions of legitimate operators, in every nation.... A graphic representation of data abstracted from the banks of every computer in the human system. Unthinkable complexity. Lines of light ranged in the nonspace of the mind, clusters and constellations of data. Like city lights, receding ...'' - William Gibson, Neuromancer, 1984