1. A human-computer user interface method, comprising the steps of: (a) defining a user interface for interacting with objects having associated a resource locators; (b) searching for objects from a set of indexed objects with a search engine, based at least in part on a user input, and returning at least respective resource locators of objects corresponding to the user input; (c) presenting to the user a hierarchal object comprising at least three levels of a taxonomic hierarchy each containing at least one object corresponding to the user input, and at least one level having at least two objects, the objects being taxonomically organized based on a content associated with a respective object; and (d) providing a third party subsidy based on a set of separate objects, presented within the taxonomic hierarchy based on a relation of a taxonomic classification of the separate objects and the levels of the taxonomic hierarchy containing at least one object corresponding to the user input.