I started taking photographs in the pre-digital age and in those days I would carry a little notebook with me to record the “what” (subject), “how” (exposure settings) and, occasionally, the “why” (why was I taking the photograph; what had attracted me to the subject. These days with a digital camera the “how” is stored with the photographs and, the deluge of photographs I can take now that I no longer have to ration myself with a single roll of film, means that I can end up forgetting about the “what” and the “why”