... it is very unlikely they will ever be usable as a replacement for normal computers. It would just be silly when it is much, much easier to make a much, much faster electronic computer.
Someday that will sound very much like the oft-repeated (and wrongly attributed) "640k ought to be enough for anyone!"
My problem lies in reconciling my gross habits with my net income. -- Errol Flynn Any man who has $10,000 left when he dies is a failure. -- Errol Flynn