In an effort to fill this gap, in our previous studies the investigators developed and tested the older adult friendly Theory-based PP eLearning Program (T-PeP) to provide older adults necessary support for using PPs. In the proposed feasibility study, the investigators will optimize and implement the program in a large older adult online community, conduct formative/process evaluation, and assess its preliminary impact on PP use and selected health-related outcomes. T-PeP was developed based on self-efficacy theory to improve older adults' use of PPs for managing their care and includes learning modules, discussion boards, and other resources. Considering variations in the types and usability of PPs used by patients nationwide, T-PeP was developed as a vendor-agnostic ("not tied to a specific vendor") program. The specific aims of the study are to: