This post is a conversation and a collaboration between Anders Dinsen and me. Aside from a little commentary at the top and edits to remove repetition and side topics, to add links, and to clarify, the content is as it came out in the moment, over the course of a couple of days. A question I asked about not looking for bugs at Lean Coffee in Cambridge last month initiated a fun discussion. The discussion suggested it’d be worth posing the question again in a tweet. The tweet in turn prompted a dialogue. Some of the dialogue happened on public Twitter , some via DM, and on Skype, and yet more in a Google doc, at first with staggered participation and then in a tight synchronous loop where we were simultaneously editing different parts of the same document, asking questions and answering them in a continuous flow. It was at once exhilarating, educational and energising. The dialogue exposes some different perspectives on testing and we decided to put it together in...