1. A system, comprising: an event recorder component configured to automatically capture a sequence of images associated with an event, the event is a portion of a clinical trial within a given period of time; a sensor component configured to gather information that triggers image capture via the event recorder component; at least one modular add-on device configured to sense data and communicate the data to the event recorder component, the at least one modular add-on device including a wearable device having at least one of a pulse-oximeter, a stretch or range-of-motion sensor, a skin galvanic response measuring sensor, or a gait sensor, the at least one modular add-on device is configured to communicate with the event recorder component via a wireless link; a compliance tracker component configured to automatically monitor captured images in order to determine compliance with the clinical trial by analyzing of a subset of the images to verify dosage and timing of a medication; an event annotation component configured to annotate the subset of the images with contextual information to facilitate the determination of compliance; and a scanner component configured to capture data from textual information associated with a product, the compliance tracker configured to employ the data to assess the compliance with the clinical trial.