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
Shifting Patterns: Christopher Alexander and the Eishin Campus A Book by Eva Guttmann, Gabriele Kaiser & Claudia Mazanek