The document discusses place, location, branding, and tagging. It provides lists of ways to make and know a place and location, such as through living in, visiting, designing, or mapping a location. It also discusses using GPS coordinates, images, or audio to identify location. The document then discusses using tags to label and brand places in real space or on maps, as well as using tags to direct attention, link memories and information, and emerge from crowds in a bottom-up way. It provides some examples of GPS-based art, games and community projects that involve place-making.