1. A search engine system comprising: a first system for receiving informons from a network on a continuing search basis, for filtering such informons for relevancy to a query from an individual user, and for storing a ranked list of relevant informons as a wire; a second system for receiving informons from a network on a current demand search basis and for filtering such informons for relevancy to the query from the individual user; and a third system for selecting at least one of the first and second systems to make a search for the query and to return the wire or demand search results to the individual user.