1. A method for facilitating selection of goal-based content from an information system, comprising: obtaining contextual user information maintained in an information system relevant to a health goal for a human user; presenting an assessment prompt to the human user, by using a graphical user interface to the information system; performing an ongoing assessment of behavior of the human user to measure progress of the human user to achieving the health goal, by using input from the human user provided in the assessment prompt; selecting content maintained in the information system relevant to activity for achieving the health goal, by using the contextual user information and the measured progress of the human user; and presenting the content relevant to achieving the health goal to the human user, by using the graphical user interface.