Patent ID: 8533052

Claim:
A method comprising: monitoring item viewing activities of a user as a the user browses an electronic catalog of items and recording item viewing data reflective of said item viewing activities; storing research note data corresponding to a plurality of research notes, wherein individual research notes are created at least in part by an author and comprise item data reflective of a plurality of items from said electronic catalog, which said author has compared, and wherein said plurality of research notes were created at least in part by a plurality of authors; analyzing said item viewing data to determine whether said user has viewed a first item and a second item for which a research note exists, said research note comprising item data reflective of said first item and item data reflective of said second item, wherein said research note was created at least in part by an author who is not said user; and exposing at least a portion of the research note, data extracted from the research note, or at least a portion of the research note and data extracted therefrom, to said user via by including the portion of the research note, data extracted from the research note, or at least a portion of the research note and data extracted therefrom as content within one or more pages of said electronic catalog that are transmitted to a device associated with the user by a service associated with the electronic catalog; said method performed in its entirely by a computer system that provides network-based access to the electronic catalog.