1. A method of representing a set of on-line journals, comprising: detecting social network relationships among said on-line journals; aggregating said social network relationships; and generating a graphical user interface display representing said on-line journals, wherein said display includes an enclosing display object within which are displayed at least one sub-region, said sub-region enclosing a plurality of inner regions, wherein each inner region within a given sub-region represents an on-line journal having at least one social network relationship with at least other on-line journal represented by another inner region displayed within said sub-region.