The information glut has become a ruling cliche. As all resources - from energy to information - become more abundant, the presure of economic scarcity falls ever more heavily on one key residual, and that single shortage looms ever more stringent and controlling. The governing scarcity of the information economy is time: the shards of a second, the hours in a day, the years in a life, the latency of memory, the delay in aluminum wires, the time to market, the time to metastasis, the time to retirement.