The document discusses how community map-making has evolved over three waves: (1) enabling user contributions through tools like Map Share, (2) improving processes to integrate large amounts of user and sensor data, and (3) developing real-time sharing of map content and feedback between users and mapmakers. It provides examples of how TomTom and other companies have advanced from static map corrections to dynamic services that fuse user behavior data with professional mapping. The presentation argues this type of participatory mapping has benefits over traditional methods and is still advancing to achieve fully integrated, real-time sharing of map content and feedback.