Is the Web Helping Us Evolve?

Let's zoom in to the Internet, that magnificent new world for latter-day explorers, so much more vast than any realm discovered by Columbus or Magellan. Zealous enthusiasts point to how much more knowledge the average person can access, predicting better students, better workers, better minds and citizenship. Pessimists perceive a dumbing down that spread users too thin, resulting in shallowness that could be lethal to politics, to clear thinking. Is Google making us stupid? Let's weigh the evidence and ponder whether it may be possible to profit from this revolution of vision and memory, as we did from others that came before.