Paper presented at Transforming Audiences conference, London, 3-4 Sep. 2009. ... Paper presented at Transforming Audiences conference, London, 3-4 Sep. 2009. Abstract: Alvin Toffler's image of the prosumer (1970, 1980, 1990) continues to influence in a significant way our understanding of the user-led, collaborative processes of content creation which are today labelled "social media" or "Web 2.0".