at nasa, we have a local nasa center nearby. it was a terminal which was connected to a big computer somewhere. >> this is one of the consoles they might be using in the future. >> we have a pointing device called a mice. >> doug engelbart, inventor of the mouse, was asking new questions about our changing relationship with computers. >> if in your office you as an intellectual worker were supplied with a computer display backed up by a computer that was alive for you all day and was instantly responsible, responsive, infinitely responsive to every action you have, how much value could you derive from that? >> we needed a guide to help us navigate this new relationship. >> my whole adult life has been spent building personal computers. the history of my vocation, and my growing up are all the same and it's very hard to separate one from the other.