1. One or more computer-readable storage media having computer-executable instructions for performing a method comprising: in a first pane for a node, presenting a representation of the node and one or more links from the node to other nodes adjacent to the node in a graph data structure; and responsive to activation of one of the links presented in the first pane from the node to a selected node, presenting in a second pane adjacent to the first pane, a representation of the node for the activated link and one or more links from the node for the activated link to other nodes adjacent to the node for the activated link in the graph data structure; wherein in the second pane, the one or more links from the node for the activated link to other nodes comprise a link back to the node of the first pane; and wherein each of the first pane and the second pane further comprises a title of a node the pane represents and an additional description of a node the pane represents.
1. One or more computer-readable storage media having computer-executable instructions for performing a method comprising: in a first pane for a node, presenting a representation of the node and one or more links from the node to other nodes adjacent to the node in a graph data structure; and responsive to activation of one of the links presented in the first pane from the node to a selected node, presenting in a second pane adjacent to the first pane, a representation of the node for the activated link and one or more links from the node for the activated link to other nodes adjacent to the node for the activated link in the graph data structure; wherein in the second pane, the one or more links from the node for the activated link to other nodes comprise a link back to the node of the first pane; and wherein each of the first pane and the second pane further comprises a title of a node the pane represents and an additional description of a node the pane represents. 4. The one or more computer-readable storage media of claim 1 wherein: the graph data structure links two nodes representing items mentioned in a same email to a same node.