"presented as unified and specific time spans which can be re-enacted, and on which it is possible to inlay other elements and transmit a different rhythm (fast forward), just like the videos which they often end up becoming. For it would seem quite normal, today, that a piece, an action or a performance should end up becoming documentation on videotape." 

Video…works like evidence. In art it signifies and demonstrates reality, a practice at times too dispersed and all over the place to be directly grasped.”

(Bourriaud 1998 Relational Aesthetics p.76)