Inclusion Criteria for patients:  Age ≥65 years Have a diagnosis of cancer Able to provide informed consent English-speaking (because the platform is currently in English)  Inclusion criteria for caregivers:  Age ≥21 years Selected by patient when asked if there is a "family member, partner, friend, or caregiver with whom you discuss or who can be helpful in health-related matters". Able to provide informed consent English-speaking  Inclusion criteria for oncologists:  Oncologists, APPs, and nurses who care for the patient  Exclusion Criteria:  N/A