IDG Contributor Network: What an audience knows

Over the course of my business career, I have repeatedly made the same two mistakes: (1) I assume other executives and managers know more than they do and (2) I assume other managers and executives know what they are doing. Too often, I assume that if I know something to be true then surely everyone else knows it as well. And that if someone is responsible for something – a project or functional vertical – then they must know what they are doing, otherwise they wouldn’t have be