The idea of Cornerstone was the ambiguity of the concept. I do like your ideas, we can take them to their mathematical extreme and I'll shoot 12 images, I'll send it to Sister Sile so she can shoot 12 images and we will let you know how it comes out.
All kidding aside, we have thought of that. It's just that too many people want to participate. The camera travel format is a choice of compromise.