The innovations that made the world nicer, it may be argued, are institutions, not technologies: things like the golden rule, the rule of law, respect for private property, democratic government, impartial courts, credit, consumer regulation, the welfare state, a free press, religious teaching of morality, copyright, the custom that you do not spit at the table and the convention that you always drive on the right (or left if in Japan, Britain, India, Australia and much of Africa).
