11. A processing device for finding documents which relate to a portion of a temporal document, comprising: (a) means for initiating a signal of interest at any time during the temporal document; (b) means for capturing content between the time the content is present in the temporal document and the time of initiating the signal of interest; and (c) means for finding the related documents based upon the content captured between the time the content is presented in the temporal document and the time of initiating the signal of interest by use of information retrieval techniques, including related documents not previously associated with the content captured; and (d) means for selecting the related documents from among a collection of documents which may be accessed through the Internet, by utilizing databases comprising information about the collection; wherein the related documents are accessed through the Internet; and wherein the related documents are selected from the collection according to the scores achieved when evaluating documents in the collection according to a formula giving scores to documents depending upon the occurrence in the documents of terms which occur in the content captured.
12. The device of claim 11 , wherein the temporal document is video or audio material.