It seems to do this almost organically as if its life were dependent on this. Given the number of tools and measurement devices that can be put to use, it is easy to know what people are looking at. This provides an implicit value proposition for the information on the web. People will access sites if they are valuable to them, and will not access sites if they are not valuable. The various indices provide numerous views into the vast number of web resources.
Organization comes in three flavors on the web- manual, governed, and automatic.
Manual organization is seen in those portals that allow knowledge owners to add links themselves. Lastly, automatic organization is accomplished through search engine spiders. The idea of depletion might seem somewhat odd in the context of information and knowledge. By depletion I mean that as time goes along and people use information and knowledge it ages. It may always be used, but new information and knowledge will subsume old.