2. The method of claim 1 , wherein said determining one or more updates relative to the section of content comprises: locating the copy of the web-based source downloaded by the web crawler; and determining whether the located copy of the web-based source is more up-to-date relative to the section of content contained in the electronic document.
3. The method of claim 2 , wherein said determining whether the located copy of the web-based source is more up-to-date relative to the section of content in the electronic document comprises: determining a time at which the copy of the web-based source was downloaded by the web crawler; and determining that the copy of the web-based source is more up-to-date relative to the section of content in the electronic document if the determined time is more recent than a time that the electronic document was last edited.