Pervasive Computing News: Analyst Best Practices #2: Project Management
"Be wary of projects where you can’t see how you’re going to get to an answer. If there’s a gap in the plan where “magic occurs and an answer is delivered”, your estimate of schedule is a fiction. Go into a project with a clear understanding of how you’re going to get an answer."
The "no answer blackhole" is often a stumbling blog in projects. You send questions to customers or partners that you need answers to before you can take decisions, make arbitrages and move forward, but these answers never come in any meaningful way. That's indeed a good way to know the project is in trouble, and the worse is, said stakeholders usually won't acknowledge their lack of responsiveness is putting the whole thing at risk.