10. The method of claim 9 , wherein the spatial layout of the displayed graph is updated in response to inputs from the operator.
10. The method of claim 9 , wherein the spatial layout of the displayed graph is updated in response to inputs from the operator. 12. The method of claim 10 further comprising, by the computing system: in response to receiving an input from the operator indicating selection of an animation option associated with a particular selected node, successively adding edges and nodes to the graph in an animated fashion, wherein each successively added node represents a most common user destination from a previously added node.