Computers are complex tools of the human species. To make them work well for us, we have to specify their actions in very great detail. When properly instructed, networks of computers take on the trappings of human social orders derived from the physiological characteristics and capabilities of our species. To create a social order, we engage in grouping mechanisms through which the actions of the individuals within the group are influenced. From a technical perspective, such grouping mechanisms form the trust environments within which we can effect policy. Historically, the most...