Depending on how one construes the kinship relations, technology has been either the stepchild of philosophy or its grandfather. In either case, technology has not been taken into the bosom of the family, but has had to wait for attention, care and feeding, while the more unclear elements - science, art, politics, ethics - were being nurtured (or cleaned up). Don Ihde puts technology in the middle of things, and develops a philosophy of technology that is at once distinctive, revealing and thought- provoking. Typically, philosophy of technology has existed at, or beyond, the margins of the...