Introduction: medical and psychosocial perspective on diabetes-related technology - editorial overview, Clare Bradley, et al; technology and the diabetic patient - an overview, Harry Keen; the social context of technology in diabetes care - "Compliance" and "Control", David Armstrong. Part 1 Blood glucose monitoring: glucose sensors, John C. Pickup; optimizing blood glucose monitoring, Chris Gillespie; the use of a computerized system in a diabetic pregnancy clinic, Huw Alban Davies. Part 2 Insulin and insulin delivery: the use of technology in assessing manifestations of acute insulin-induced hypoglycaemia in humans, David A. Hepburn and Brian M. Frier; implantable insulin infusion pumps in the management of diabetes, Philip Home; the pen-injector's impact on self-management, Judith North. Part 3 Technology in the prevention and treatment of diabetes complications: use and evaluation of technology in the detection and treatment of diabetic retinopathy, Richard B.S. Newsom, et al; aids to diabetes management for the visually handicapped, Massimo Porta, et al; explaining and expanding the role of the chiropodist in the care of people with diabetes, Christopher Stiles; psychological aspects of diabetes control and complications trial, John R. Kramer, et al. Part 4 Appropriate use of new technologies: measuring needs in patients with diabetes, Chris R. Brewin, et al; the double-edged sword of technology in health care, Theresa M. Marteau; appropriate technology for improving diabetes care - the approach and catalytic role of the WHO, Kirsten Staehr Johansen. Part 5 Evaluation of new technologies: evaluating new technologies - psychological issues in research design and measurement, Clare Bradley; assessing quality of life, Keith A. Meadows; the economics of diabetes care, John Brazier and Richard Jeavons.