"...and composition of programs is a fundamental concept to both users and programmers..." This sounds like a nice vision, but I think you must have different

"...and composition of programs is a fundamental concept to both users and programmers..." This sounds like a nice vision, but I think you must have different users to me, even given 30 years evolution for them too. Anyway, 30 years is half the life of the whole of software ever, over again, just about. Not wanting to get too Kurzwailian, but anything could happen by then.