The VJ Book - Live Visual Performances
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"WHAT IS VJING? It means improvising with visuals, specifically those rendered
via projected light. The expression originally referred to the Video
Jockey (as a counterpart to a Disc Jockey), but it’s more accurately Visuals
Jockey—a general descriptor that encompasses older, non-video avocations
such as “running the light show.” Martha Quinn and Kurt Loder notwithstanding,
the term VJ, as used here, has nothing to do with appearing on television to
introduce advertisements."
Source: excerpt from introduction by Paul Spinrad (link to pdf of introduction)
Website: http://feralhouse.com/press/thevjbook/index.php