Personal Productivity

Should you use productivity formal methods?
GTD, Autofocus, ZTD, Pomodoro technique, Personal Kanban… Personal productivity has always been surrounded by different formal methods intended to systematize our behavior to make it less erratic and allow us to better focus on what we have to do. From time to time there is a new method — or a variation of an existing one — supported by a handful of evangelists, which enjoys a period of relative popularity… until it is replaced by the next.