1. A tool for annotating an event map, comprising: a map generator for generating an event map depicting a schedule of activities for an event including plural sessions; an annotating unit for annotating said event map based on a user input, the annotating of the event map comprising tagging information to a feature of the event map; a view generator for generating a zoomable and pannable view of the schedule of activities depicted by said annotated event map; and a display device for displaying said zoomable and pannable view of the schedule of activities depicted by said annotated event map.