This document discusses how cognitive computing can help improve digital health and user experiences. It provides examples of data sources that cognitive systems use to understand language, including news articles, tweets, and documents. The document outlines 50 technologies that cognitive systems leverage from Watson APIs, such as entity extraction, sentiment analysis, and natural language processing. It presents two case studies: IBM partnering with Harrow Council to use Watson for care management, and IBM working with Alder Hey Children's Hospital to improve patient experiences through cognitive technologies.