Communication is vital to your organization, but it is not a given in all organizations. The first point that must be made about effective communication is that communication must take place at some level. While that may sound ridiculously obvious, it apparently escapes some managers.
For example, here is a true story that sounds like fiction:
I was the Deputy Director of a 600-employee division of a larger organization. Due to the settlement of a lawsuit, our Director was replaced. The new Director wanted to keep the old Director on staff, due to his wealth of knowledge and experience, so he was offered the job of Deputy—my job. In January I was offered a demotion, which I accepted, and was told ...