From a trees ability to communicate to other trees within a forest, to traffic congestion as compared to the human body's circulatory system, to Dunbar's number, the concept of the "network" is pervasive. Whether you are actively growing a personal or professional network or trying to connect all your smart devices within your home, we can not escape the pull towards and interconnectedness with, all things network. In this January 2017 Ted Radio Hour Podcast, Guy Raz leads you through four different concepts surrounding the idea of networks.