16. A computer-implemented method, comprising: analyzing a plurality of text capture operations from one or more rendered documents to identify a product or service of likely interest using an information-capturing system; and the information-capturing system presenting information related to the identified product or service.
16. A computer-implemented method, comprising: analyzing a plurality of text capture operations from one or more rendered documents to identify a product or service of likely interest using an information-capturing system; and the information-capturing system presenting information related to the identified product or service. 20. The method of claim 16 , wherein the second rendered document comprises a citation to the first rendered document.