> I wonder if at least some of that might someday be done equally well by a computer which would be available 24/7 It already is to some degree. E.g. I have a

> I wonder if at least some of that might someday be done equally well by a computer which would be available 24/7 It already is to some degree. E.g. I have an application on my iPhone which reads the value of bills (in various currencies) with no noticeable delay, and another that can act as a colour detector although that is less reliable; maybe more useful if you want to know which is the light vs dark thing.