How to Become a Product Manager

The post misses an important ingredient that separates most product managers from great product managers: strategy/vision.

The best product managers have a clear point of view on the long-term and where the product should go. You will see them engaging the CEO (depending on size of company) on core assumptions across the company. They will reshape decisions in sales and marketing re: customer selection.

Without strategy & vision, you have a PM filling in an ROI spreadsheet. What do customers want vs. what is the engineering cost?