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. >> looks very much like a regular typewriter. >> too often the equipment in the past has been designed for machines, not for people. >> i saw my second computer, the hewlett-packard. >> the computing calculator. >> it was very large. had a very small cathode ray tube for display. i got a chance to play with one of those in 1968. i went up to hewlett-packard's palo alto research labs every tuesday night and spent every spare moment i had trying to write programs for it. i was so fascinated by this. >> we have a pointing device called a mouse. >> doug engelbart, inventor of the mouse, was asking new questions about our changing relationship with computers.