Stealing from AltCulture's entry (http://www.altculture.com/.index/aentries/a/arselectronica.html"") Links mine:

Ars Electronica '97. "Festival for Art, Technology and Society" focused on relations between man and machine, held annually since 1979 in Linz, Austria. VirtualReality, conceptual art, GeneticEngineering, and electro-acoustic experiments join radio broadcasts, large-scale videogames, robotic opera, and demonstrations of UrbanPlanning in a massive and often semi-random technological exposition. [...]

Not to be confused with ArsDigita.