31. A computerized method of searching documents comprising: a) identifying in a source document, using a computer system, at least one quoted text portion quoted by a quoting document, leaving a non-quoted text portion that was not quoted by any quoting document, wherein the quoting document indicates that the source document is the source of the quote; b) storing, on a tangible, non-transitory computer readable memory, information in a data construct independent from the quoting document indicating the fact that the quoted text portion has been quoted by the quoting document as well as the location of the quoted text portion within the source document; c) searching, using the computer system, a plurality of documents stored in a tangible, non-transitory computer readable memory, including the source document, in response to a search query; and d) sorting, using the computer system, the results of the searching step based in part on the information stored in the data construct indicating the fact that the quoted text portion has been quoted by the quoting document, wherein the sorting step further comprises i) counting the number of quoted text portions identified within the source document, and ii) using the count to sort the results of the searching step; e) displaying the source document through a computer interface while highlighting the quoted text portion, wherein a technique for the highlighting is selected from a set comprising changing a color of a font for displayed text, creating a different colored background for displayed text, and otherwise visually emphasizing the importance of displayed text; f) receiving, through the computer interface, a user selection of the quoted text portion; and g) displaying, through the computer interface, the quoting document in a list of quoting documents that quote the selected quoted text portion.
32. The method of claim 31 , wherein the sorting step further comprises: i) comparing the quoted text portions in the source document with the search query; ii) using the results of the comparison in step i) to sort the results of the searching step.