Abstract: A system and method for obtaining and using user physiological and emotional data is disclosed. One embodiment includes a wearable user device comprising a device body defining a first arm extending from a central body portion to a first-arm end and having an external first-arm face and an internal first-arm face on opposing sides of the first arm. The device may also include a second arm extending from the central body portion and a concave cavity defined by the first and second arm and the central portion and configured to be worn on an elongated part of a body. The device may also include a first display and a sensor array disposed on one or both of the internal first-arm and second-arm faces configured to contact the elongated part of a body when the user device is worn.