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
All-use environments Until the nineteenth century, virtually all cities were “all use” environments. Craft-scale production was typically carried out in a workshop below the home of the craftsperson, which often also served as the site of exchange. Michael Sorkin, 20 Minutes in Manhattan Small economies productionwork