Spurred by recent technological advances such as the proliferation of electronic medical records and mobile devices, the enhancements to computing platforms and infrastructure, and the development of new data-sharing and data-mining tools, there has been a dramatic increase in the ability of organizations to generate, aggregate, store, and analyze health information. Adding to the already sizable datasets maintained by individual health care organizations is relevant health data maintained by, among others, government agencies, mobile device companies, cloud services, social media, and collaborating hospitals, insurers, and physicians.