BASIC DIRECTIONS FOR DESKTOP (directions for mobile vary slightly): (1) Under the "Additions" tab, click on "Add Marker - Simple." (2) Under "Location," enter an address, street, landmark or city--or use the "Click on the map location" button to pin a comment (to zoom, use the + / - slider on the far left). (3) Enter your comment in the "Description" field. (You may also upload a photo.) (4) Use the "Type of comment" pull-down menu to categorize your comment. (5) Click "Submit."