Module 03 has been about Information Structures
Module 04 will be about Information Pathways
Information in video form
Information in text form
To frame your thinking about the connected path in which information may flow, read the following
Easley, D., & Kleinberg, J. (2010) "Overview." Pages 1-20 in Networks, crowds, and markets: reasoning about a highly connected world. New York: Cambridge University Press.
Another perspective on networks can be found in this reading
Barabási, A.-L. (2003). "Heirarchies and Communities", pages 227-238 in Linked: How everything is connected to everything else and what it means for business, science, and everyday life. New York: Plume.