In my last post I claimed that the fundamental role of ICT is reduction of transaction costs. What, you may ask, is transaction costs? The answer is this: pretty much everything is transaction costs, with a little bit of physical stuff thrown in.
In California, you can buy a loaf of bread for about $2. The basic materials that go into the making of the bread — wheat, primarily — is about $0.07. Then there is some energy required for baking it and transporting it. Add …