1. In a computer mediated persistent conversation system having one or more computers with which each of multiple users author and post messages in one or more conversations, the system including a computer-readable medium that stores computer software instructions for operating the system, the improvement comprising: computer software instructions stored on the computer-readable medium for obtaining selected information from the one or more conversations; computer software instructions stored on the computer-readable medium for storing the selected information and forming from it aggregated conversation data that includes aggregations according to time, conversation, and authoring user; and computer software instructions stored on the computer-readable medium for providing the aggregated conversation data to users of the computer mediated persistent conversation system.