The document discusses the mHealth triad of healthcare organizations, mHealth technology, and research. It summarizes that: 1) Healthcare organizations want to reduce costs and improve patient outcomes using mHealth tools. 2) mHealth technologies are opening new areas for behavioral research using personal, longitudinal, portable health data collected from sensors and text messages. 3) Research helps improve mHealth technologies using persuasive systems, machine learning, and behavior change theory to provide personalized preventative healthcare messages.