"some of these productions [...] take themselves and their participants as their own subjects, turning the camera on themselves.[...] the audience, in effect, watches the production of a production, the traditional boundary between film text and viewer is erased in such moments. [...] in such moments we're not sure whether it was the audience itself that we're seeing, or the image of the audience projected on the screen - whether we were watching them or watching them watching themselves; or watching ourselves watching ourselves watching ourselves watching them." (denzin, norman k.: images of postmodern society: social theory and contemporary cinema (london 1991), page 11).

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