1. A computer-readable memory storing a computer-executable instructions executable by a processor for producing a user interface having a spatial layout of a set of hierarchical shared resources having a plurality of hierarchy levels, the user interface comprising: a first set of display areas for listing names of a first level of shared resources in the set of hierarchical shared resources such that the first level shared resource names are highest in the hierarchy and such that each of the first level shared resource names are displayed in the user interface; a second set of display areas within the first set of display areas for listing names of a second level of shared resource such that the second level shared resource names are below the first level shared resource names in the hierarchy and such that each of the second level shared resource names are displayed in the user interface; and an activity display that is overlaid on the first set of display areas and the second set of display areas to indicate salient activity information of a group using the set of hierarchical shared resources.