Inclusion Criteria:  diagnosis of primary shoulder osteoarthritis, massive cuff tear arthropathy, and rotator cuff arthropathy requiring a primary total or reverse shoulder replacement, the ability to read, speak, and understand English the ability and willingness to use a web-based application (OBERD) on a smartphone, pad, or computer, and 18 years of age or older.  Exclusion Criteria:  shoulder replacement for the treatment of acute proximal humerus fractures hemiarthroplasty revision shoulder replacement patients with active cancer or receiving palliative care Less than 18 years of age