Rapid advancements in digital technologies and data analytics allow us to both understand people’s health-related behavior and provide personalized health care resources in unprecedented ways.

Digital phenotyping [1] refers to the moment-by-moment quantitative measurement of an individual’s behavior, using data collected via personal digital devices as individuals move through their daily lives. Given the ubiquity of access to digital technology worldwide, digital technologies afford new opportunities to examine individuals’ health behavior through intensive collection data using mobile devices, wearable sensors, continuous monitoring, and mapping digital footprints. Digital technologies can also enable widespread reach and scalability of evidence-based, anytime/anywhere access to personalized interventions [2].

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