David Clayton, Fr Brad Elliot OP, Dr. Michel Accad, and Charlie Deist discuss the rediscovered ideas of Ivan Illich, who died 15 years ago, and in particular an essay from a collection called Shadow Work. His essay describes how the imposition of Castilian as the national language of Spain by Queen Isabella, became a tool of the state for control of the people. We also show how the development of communication through the printing press created a desire to control its use and has parallels today in how big institutions and governments are trying to control the flow of information through the internet.