Dr. Katherine introduces the concept of grid size for augmentative and alternative communication (AAC) devices. This video is designed for those wanting to learn more about AAC devices available through the Voice Options Program. The Voice Options Program provides no-cost AAC devices to Californians who have difficulty communicating verbal, funded through the California Public Utilities Commission (CPUC) through a partnership with the CA Department of Rehabilitation (DOR). North Star Speech and Language Pathology Center, Inc. is a Voice Options provider for all counties across the state except for Orange County.