This document discusses healthcare data and innovation. It notes that healthcare data is generated by a wide range of individuals and organizations, including hospitals, universities, patients, pharmaceutical companies, general practices, clinicians, researchers, health providers, families, and medical device companies. The document outlines some of the potential uses of big data in healthcare, including accountability, transparency, improvement, learning, experiments, and transformation. It also discusses why now is a key time for healthcare data and innovation, due to trends like increased sensors, patient records, and machine learning. The document provides examples of healthcare data creation and application both inside and outside traditional healthcare systems.