Why We Built Sibkeeper: Reimagining Technology for Families of Adults with IDD When my sister and I lost our mom suddenly, everything changed overnight. My sister is an adult with intellectual and developmental disabilities (IDD), and in a flash, I became her main support, guardian, and biggest advocate. I was searching for answers—how do you build a new routine? How do you manage appointments, documents, and hopes for the future, when all the guidance out there is scattered (if it exists at ...