As Internet-based commerce becomes commonplace, it is important that we examine the systems used for these financial transactions. Underlying each system is a set of assumptions, particularly about trust and risk. To evaluate systems, and thus to determine one's own risks, requires an...

New technologies, although developed with optimism, often fall short of their predicted potential and create new problems. Communications technologies are no different. Their utopian proponents claim that universal access to advanced communications technologies can help to feed the hungry, cure...