What Makes a Great Product Manager?

i think that the first point is like inter disciplinary skill set. Great product manager have to be a fast learner in many areas. You can go into understanding customers, doing great research and interviews. But you have to also understand technology and capabilities which this technology can give you. And because it's er, it is moving so fast, it's never ended process yet. We are building product in that way, and we have to stick for it.