Frankfurt.
The Prosumer Revisited conference begins with a keynote by Frank Piller, who presents the perspective from management research. He begins by describing the story of the ice cream king of upper Manhattan - a small old-fashioned store which sells only a small range of flavours and does not mix them. This is the old market model - where the quality of products means that producers have no need to respond to the needs and interests of consumers. But we've moved away from this, as Chris Anderson's 'long tail' model shows - while such old-fashioned marketing models focussed on extracting profits from the short head of the long tail distribution, stores like Amazon have emerged to cater to the long tail, offering a vast variety of products but selling only a relatively small quantity of each title. What Amazon has managed is to build a sustainable business model from this.