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The Long Tail was a response to an essay by Clay Shirky, a prominent technology writer who also teaches at New York University. Shirky's argument dampened much of the nascent utopianism about blogs, pointing out that the readership of early blogs followed what economists call a Pareto curve, or "power curve": a small number of sites (the "head") attracted a huge number of readers, but most (the "tail") had few or none. This jarred with the utopian notion of the internet as a new kind of democracy. Why bother to participate if our fates were decided for us by a few block votes? So Anderson turned the notion upside down. The blockbuster was over, he proclaimed, and, like a man possessed, he began to see long tails everywhere. It was the Guardian that lauded this logic by comparing Anderson to Copernicus. The implicit message was that the little people would win. Many people were so keen to believe that Web 2.0 would make the world fairer that they rejected any evidence to the contrary. It was only last year, with an exhaustive study of online music sales by the economist Will Page and an experienced digital retailer, Andrew Bud, that a more useful picture of digital markets begin to emerge. Page and Bud found that most of the songs available for purchase had never been downloaded, and that the concentration of hits was more pronounced than ever before. On the file-sharing networks, the same pattern emerged. So, carrying a huge retail inventory, though cheaper than before, was of little or no value. Now, with Free, Anderson has turned to the criticism that the internet destroyed the value of movies, newspapers and music. Firms could, and now should, cross-subsidise this unprofitable activity, he argues. But cross-subsidies aren't new: they have been the subject of decades of observation by economists. Nor are they a panacea. Alan Patrick, co-founder of the Broadsight media and technology consultancy, points out that despite falling marginal costs, th

An article describing the Peer to Patent scheme.