REVIEW: You mention everything but disks.
JOY: You might want to page over satellite telephone... Page fault, and the computer makes a phone call. Direct broadcast or audio disk - that's the technology to do that. It's half a gigabyte - and you get 100 kilobyte data rate or a megabyte or something. I don't remember. You can then carry around with you all the software you need. You can get random data through some communications link. It is very like Dick Tracy. Have you seen these digital pagers? You can really communicate digital information on a portable.
I don't think you need to have a disk with you. There are so many people who believe that you need to have a disk that you'll be able to have one because they'll make it cheap. That's the way things work. It's not what's possible but what people believe is possible. That's what makes imagination so wonderful, right? Silicon is such an incredible amplifier. If you can figure out what should be and you get people to believe you enough that they will give you money, you can almost make it come true. That's why bubble memory never made it. People didn't believe it was the right thing to do. But there's nothing wrong with bubble memory.