In January 2014 I taught a Master course on the history of computing at the University of Amsterdam together with my colleague Katrin Geske. Nine groups, consisting on average of five students, followed our course for a period of four weeks (from 6 January till 31 January). Most attendees were computer science students and did not have any other academic commitments in January, at least not officially. Our objective was to have each student think, read, and write like a historian of computing by the end of the month.