1. A method for using a computer system to provide additional material related to a concept within electronic text, comprising the steps of: a) establishing a format for an automated search request; b) accepting an automated search request in said format for additional information related to a concept represented within at least one text section of electronic text, wherein: i. said search request is initiated by execution of computer-executable code packaged with said electronic text; and ii. said computer-executable code is formatted and designed to be executed in real-time without user action when said accompanying electronic text is displayed: c) in response to said automated search request searching an index, said search of an index identifying additional material related to said concept; and d) providing an indicator of said additional material for display in the same presentation as said electronic text, wherein said indicator comprises display material not directly derived from said electronic text; wherein said index contains a plurality of terms by which it may be searched; at least one term in said index is associated with at least one reference to a text section; and at least one term in said index is associated with a plurality of references, at least two of said plurality of references indicating different text sections.
1. A method for using a computer system to provide additional material related to a concept within electronic text, comprising the steps of: a) establishing a format for an automated search request; b) accepting an automated search request in said format for additional information related to a concept represented within at least one text section of electronic text, wherein: i. said search request is initiated by execution of computer-executable code packaged with said electronic text; and ii. said computer-executable code is formatted and designed to be executed in real-time without user action when said accompanying electronic text is displayed: c) in response to said automated search request searching an index, said search of an index identifying additional material related to said concept; and d) providing an indicator of said additional material for display in the same presentation as said electronic text, wherein said indicator comprises display material not directly derived from said electronic text; wherein said index contains a plurality of terms by which it may be searched; at least one term in said index is associated with at least one reference to a text section; and at least one term in said index is associated with a plurality of references, at least two of said plurality of references indicating different text sections. 4. The method of claim 1 , wherein the content of said electronic text is used to identify at least one concept.