Picasso had no qualms about extending what art is, and neither does David Hockney. So why do people still wonder if artwork done on the iPad "is art"? I covered much of this question in a previous post (Art and the iPad), so I won't plough tired soil. Instead, this post is more of an illustration of the joys of extending what you can do in your studio. Here is an image I created on the iPad, to study a dog whose portrait I was about to paint: I got the image printed onto a 75