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Few dispute that the web will be the dominant medium of the 21st Century – swallowing whole newspapers, books, radio, television, and the cinema. And even as the web grows virtually – over a trillion unique urls and growing – it shrinks physically – from laptop, to netbook, from cell phone, to even tinier and ubiquitous communication devices. The growth of the web seems radically different from that of television, radio, and newspapers. It seems like it was so grassroots, so rapid. But Professor W. Russell Neuman of the University of Michigan argues that to predict the growth of the web in the future we need to take a good hard look at just how those 20th Century technologies and infrastructures came to be so dominant. So, what does history have to say about how this tiny little medium will grow? CC-licensed music this week: Neurowaxx: Pop Circus General Fuzz: Warm Steel