The growth in knowledge is dependent on how much brain power there is. Everything we do is subject to improvement by anyone that cares to analyze and innovate.

The growth in knowledge is dependent on how much brain power there is. Everything we do is subject to improvement by anyone that cares to analyze and innovate. In the scenarios of those against technology 50 years ago, they also could not see how the economy would evolve or how people would adapt. But that lack of vision isn't proof that they were right.