Reciprocity Whenever human activities incorporate machines or rigidly prescribed procedures, the modes of human interaction change. In general, technical arrangements reduce or eliminate reciprocity. Reciprocity is some manner of interactive give and take, a genuine communication among interacting parties. Ursula M. Franklin, The Real World of Technology reciprocity
Their wrongness is somehow more immediate In general, a successful design, which Alexander terms a good fit between form and context, can be declared only when we can detect no more [points that conform to the standard against which we judge]. It is "departures from the norm which stand out in our minds, rather than the norm itself. Their wrongness is somehow more immediate than the rightness." Henry Petroski, The Evolution of Useful Things Notes on the Synthesis of Form