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
Platforms Show image 0 Show image 1 Original by Tanaka, and my own digital tracing. Tomoyuki Tanaka, Anatomical Drawings of Staircase Spaces Tablets have caught up