The Office of the National Coordinator for Health IT has dropped pursuit of a regulation for establishing "rules of the road" for the nationwide health information network (NwHIN) based on feedback it has received. Commenters from industry and the public made it clear that federal regulation could slow development of health information exchange just as those activities are starting to emerge and pick up steam, "perhaps more than is widely appreciated," according to Dr. Farzad Mostashari, national coordinator for health IT.