If anyone in the Freshman Seminar can explain to me and the class what this image means then I'll buy pizza for the class.
The externality if my blog to discuss and post thoughts about the development of markets for information goods and digital goods. In particular, it will be used to supplement the courses I teach on these subjects. In the Spring 2006 I'll be teaching a new Freshman Seminar course called "xBox and iPods - Markets for Digital Goods".
Much of the information here is based on research we are doing at the Carlson School on the digitization of the music industry.