The food database allows you to track your calorie intake.
For some people it might just be the push they need to get in shape.
But, all in all, I believe that the trend for a more intelligent approach to improve the nations health by recognizing that the key is to modify habits and motivations is going to prove more helpful than previous attempts… well, at least, I hope so.
Mikel, nice piece and summary at the intersection of psychology and technology.
Pedal While You Work.
The habits I began as a part of having the fitbit are reasonably ingrained at this point.