I agree with you regarding the clumsy gui -- UML editors suffer from the same general problem. What I took away from his presentation were the 2 core points:

I agree with you regarding the clumsy gui -- UML editors suffer from the same general problem. What I took away from his presentation were the 2 core points: 1) linear expression is intrinsic to text but not intrinsic to programs. 2) the machine is more than a tablet. Who knows? May be the ideal interface is actually voice based ...