https://en.wikipedia.org/wiki/Variety_(cybernetics) https://en.wikipedia.org/wiki/Variety_(cybernetics) key takeaway: Boisot and McKelvey updated this law to t

https://en.wikipedia.org/wiki/Variety_(cybernetics) https://en.wikipedia.org/wiki/Variety_(cybernetics) key takeaway: Boisot and McKelvey updated this law to the "law of requisite complexity", that holds that, in order to be efficaciously adaptive, the internal complexity of a system must match the external complexity it confronts.