A great way to be significantly more productive is to start anything you're about to do with one question: What does a wildly successful outcome for this meeting, project, conversation -- whatever it might be -- look like? If you ask that question up front you co-create success: people knows what you're shooting for and actively work towards making it happen.
From a recent article The Best Way to Start Everything Important. The thrust of the observation is that to truly engage other people, we must always start with that one question: What does a wildly successful outcome for this meeting, this project, this sales call, etc. look like?