Computers have positively affected nearly every product and work activity. My work, Architectural design has been revolutionized. With a computer you're free to quickly adapt multiple variations of a design and email them to all interested parties for online meetings. Change is good. I was a licensed Architect 10 yrs. before computers were available, so I remember when my mind's vision of a design seemed perfect, only to find out it wasn't perfect as built. Solid modeling and computer rendering go a long way toward making those mistakes a thing of the past. (Not all the way unfortunately.)