user generated data, interactivity or user participation?
look at history and development of such ideas in other artworks/ movements (conceptual art etc)

if i was to stick with user generated data, interactivity would still play a big part in the discussion.. without interactive media there would be no user generated data (at least in the modern sense of the word).

citizen journalism
7/7 bombings
gaza conflict

media art
golan levin - dumpster
alex dragulescu - blogbot, spam plants