Propagandum is an idea I was exploring in 2011 and 2012. Before and during my career in book publishing I’ve been thinking about words and media for more than forty years. When we read, speak and communicate we have no choice but to use media; and, as Marshall McLuhan said (in Understanding Media), ‘the content of a medium is always another medium’. No medium is neutral; each has its own characteristics, biases and idioms. So, what are they? These are my explorations …