The document discusses how product companies can become platform companies. It notes that a product is an application that solves a specific problem, while a platform is common infrastructure for multiple applications. It asks what value a company's data, users, and features provide to potential platform partners. The document also considers strategic questions around whether to have an open or curated platform, and paid or free services. It suggests companies think about how to share useful, secure data; what core functionality to provide; and questions for different business functions in developing a platform strategy.