1. A computer-implemented method of displaying information about a first plurality of time-based events, each of which has an associated time, and a second plurality of time-based events, each of which has an associated time, said method comprising: displaying perspective representations of each of a plurality of timelines including a first timeline and a second timeline, wherein the perspective representation of the first timeline comprises perspective images of representations of the events of the first plurality of events arrayed along the first timeline at locations in time corresponding to the times associated with those events and wherein the perspective representation of the second timeline comprises perspective images of representations of the events of the second plurality of events arrayed along the second timeline at locations in time corresponding to the times associated with those events; enabling a user to select a current time; and in response to the user selecting the current time, displaying perspective representations of a portion of each of the first and second timelines as determined by the user selected current time.