Technology can both reflect and contribute to new theoretical formulations and new methods. This phenomenon is examined in relation to one-way screens. While the screen itself has undergone only modest physical transformation, there have been several important changes in ways of thinking about its therapeutic significance. Thesechanges are identified. "Now, if you'll only attend, Kitty, and not talk somuch, 1'/1 tell you all my ideas about Looking-glass House."Alice "family Therapist. The family Institute,