Nice video – seems to be a useful way of thinking about ideas diffusing through a dispersed network. Trying to understanding the network and identify important elements within it provides a means of making diffusion more likely. What makes a node important depends on perspective and what you are trying to achieve, so attempting to map and interpret that map is an iterative process where a series of ‘questions’ have to be asked of the data to develop a deeper understanding  of the network.
At times there can be so much data that when shown a map people can be unsure what to look at. At times, if not taken by the idea of looking through the metrics, it can be helpful to look at a more abstract version of the network to get an overview before trying to look at the more detailed maps.
Fortunately, the abstract version of the maps can produce some nice images.
Thanks to Pat Kane for spotting the video