This document discusses platform product management. It defines a platform as a product that enables the development of other products. It outlines the key stakeholders in platform products as product teams, developers, and end-users. Some challenges discussed are separating the platform from end users, prioritization, and balancing short and long-term investments. Qualities of successful platform PMs include identifying what should be a platform feature, strong communication skills, negotiation abilities, and long-term thinking. Metrics for measuring platform success include availability, reliability, performance, scale, efficiency, and user happiness. Common reasons for platform failure include mispricing, lack of trust, competition, and poor market timing.