This is just a hunch but I imange the internet also follows the pareto principle and at least 80% of everything in google's index is basically worthless. We ma

This is just a hunch but I imange the internet also follows the pareto principle and at least 80% of everything in google's index is basically worthless. We may end up with search engines that use multiple indices where each is curated to a certain domain of information, rather than a one-size-fits-all index.