Share more. Whilst it might seem appealing to be "the one person" who can do something, it stops you moving on to new things. I've seen so many people go from

Share more. Whilst it might seem appealing to be "the one person" who can do something, it stops you moving on to new things. I've seen so many people go from "the guru" to "the bottleneck" because they've never done this. Sometimes due to "holding onto power" sometimes lack of time or motivations. Docs and explanations help the author to move onto new projects and new developers to pickup the old projects - a win/win.