New areas of inquiry identified in this study include
exploring emergent health behaviors in response to ubiquitous
computing health applications, refining sources of
motivation, improving food entry, and exploring effective
methods of ecological intervention. In the context of
pervasive computing, other mobile phone functionalities
will be exploited, including voice, picture, video, and
Bluetooth communication with other sensing technology
that is able to capture caloric information. PmEB will also
be integrated with a web-based interface. Thus, PmEB will
be the main point of interaction, where assessments are
automated and prompting interventions delivered. Long
term health outcomes will also be studied, including
weight, diet, and physical activity changes. The authors
will continue to refine the four-phase methodology through
larger-scale validation studies. Efforts will continue to
apply new mobile technologies to these issues to contribute
to solutions for obesity.