1. An electronic catalog system, comprising: a browsable electronic catalog of items; a tracking component that maintains user-specific item selection histories of items selected from the electronic catalog by users; a blurb submission component that provides functionality for users of the electronic catalog to author and post blurbs for viewing by other users; a personalized blurb selection component that selects blurbs to present to specific users based at least in part on the item selection histories of such users; and a personalized blurb display component that displays the blurbs selected by the personalized blurb selection component to corresponding users in association with the electronic catalog.