No man is an island, entire of itself; every man is a piece of the continent, a part of the main; if a clod be washed away by the sea, Europe is the less, as well as if a promontory were, as well as if a manor of thy friends or of thine own were; any man's death diminishes me, because I am involved in mankind; and therefore never send to know for whom the bell tolls; it tolls for thee. —John Donne, 1624 Entry Into a New Historical Phase THE mental health professional technology has been in rapid change in the 20th century, and in the last ten years can be regarded as entering a new phase: deployment to a whole society. Mental health treatment effectiveness has been in slow development since the beginning of civilization with the gradual development of a definition of illness,