1. An interface system for providing content to a user via a computer network, the interface system comprising a routing server, the routing server including a computer readable medium having a database maintained by the routing server, the database storing entries each comprising a content address and a content identification number (ID), each content ID corresponding to a particular content address, each particular content address directing to a particular content accessible over the computer network, wherein the routing server responds to a request for content in the form of a given content ID by redirecting the request for content to a given content address corresponding to the given content ID.