The Act AI-researched Chris Helson, 2002 Net art Sourced from Rhizome ArtBase. Technology dependencies: realplayer, quicktime. Extinction Events April 2016 Plugin End-of-Life Total loss Restored QuickTime VR and QuickTime web plugin killed Apple QuickTime VR / QuickTime browser plugin March 2011 Plugin End-of-Life Total loss Restored RealAudio/RealVideo format abandoned, last broadcaster drops support RealPlayer / RealAudio / RealVideo streaming