Mappo is a location-based digital map that allows readers to explore the geographical landscape of their favorite books, authors, heroes, and places. Users can follow Paul Austere in New York, tour the United States by tracing the routes of J.D. Salinger's protagonists, recall the famous romantic scenes set on the Champs-lyses, or learn more about the history of the Brandenburg Gate in Berlin. Mappo's content is generated by passionate communities around the world with an algorithm that extracts locations from various content sources and places them on a map.