Downdetection can be thought of as a directed graph, or digraph*. From there, the "who's watching who?" can become mathematically interesting. * https://en.wi

Downdetection can be thought of as a directed graph, or digraph*. From there, the "who's watching who?" can become mathematically interesting. * https://en.wikipedia.org/wiki/Directed_Graph https://en.wikipedia.org/wiki/Directed_Graph