This link is to an article that may have sparked an idea for a dissertation title. What impact does new, Internet based technologies have on art and society? It's about how digital art is considered 'real' art and has as much function in society as art in a physical form.
This lists 30 top art teaching app, which I think is dramatically changing the way future generations learn and how they understand art. the app includes anything from brushes which is used purely to create art with different brushes/colours to learning about artists to combining maths and art.
reference to info on graphic tablets and how artists use them.