One of the problems with computers particularly for the older people is they were befuddled by them and the computers have gotten better. They have gotten easier to use. They have gotten less expensive. The software interfaces have made things a lot more accessible.
To me there is something superbly symbolic in the fact that an astronaut sent up as assistant to a series of computers found that he worked more accurately and more intelligently than they. Inside the capsule man is still in charge.
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One of the biggest challenges we had in the first decade was not that many people had personal computers. There weren't that many people to sell to and it was hard to identify them.