> Gain experience before telling people how they should do things. I’ve been a manager since 1997, so I think I’m justified in writing this article.<p>Most to all of his advice is good. Even the bit about gaining a bit of experience. But merely having been a manager doesn't give you any special ability, and never convince yourself that you don't have something valuable to say because you aren't a manager. Managers aren't special, they're just people doing other jobs.