This is a great website that shows how technology can help a child with a disability learn and also help connect her caregivers, family members, teachers, and therapists to coordinate methods of instruction. connectedchild.net is a great vision for the possibility of technology to enhance and facilitate learning. Check out the four minute video they posted. Obviously there are lots of privacy and access issues to overcome, but London and her family have done it.
Her school district uses the BYLD acronym (Bring your learning device), which is unfortunate as I prefer BYOD -- Bring your own device. Intuitively and in our practice it makes sense to individualize the device to the child, but we need to figure out how we can get devices into the hands of kids who don't come from families who can provide the device for them.