asco-o: producers
             -----
           /|01*10|\
          | |0***0| |
           \|01*10|/       +------------+
             --+--         |intervention|
               X           |point 2     |
              / \<---------+------------+
             /   \
        media producers
           |       |
           v       v
       0  +-+    0  +-+
       +\-| |    +\-| |
       | *+-+    | *+-+
       +-+--+    +-+--+    +------------+
            / | \          |intervention|
           /  |  \         |point 1     |
          /   |   \<-------+------------+
         /    |    \
       media consumers
       /      |      \
      /       |       \
     /        |        \
     |        |         |
     v        v         v
+-------+ +-------+ +-------+
|  _O_  | |  _O_  | |  _O_  |
|   |   | |   |   | |   |   |
|  / \  | |  / \  | |  / \  |
+-------+ +-------+ +-------+  figure 1