| Verner Vinge's Singularity says that there will be point where civilization and mankind as we know it will be totally different than the world today. As machines and computers grow faster and more sophisticated, human limitations will mean that the next generation of computers will be designed by computers to become more efficient up to the point where computers and machines dominate man at every aspect. This comes at the assumption that no stronger entity will serve a weaker entity, and hence the change in mankind. The theory doesn't end there. There's the other possibility of becoming transhuman with genetic and cybernetic modifications in order to increase brain capacity and physical limitations, so computers might not become overly dominant in planning the aspects of civilization and tech. But in order to satisfy the demands of sophistication and efficiency, the modifications needed to accomplish that will make us utterly different than the humans we are today.
This is only a brief summary of the theory. If you're interested, a simple Google search will bring up the scientific theory.
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