by [Molly Danielsson](www.mollydanielsson.com) Published May 2015 [Grassroots Mapping Forum #7.](http://publiclab.org/forum) [Order online.](http://store.publiclab.org/products/grassroots-mapping-forum-issue-7) [![sign-up-say-hi-join.jpg](https://i.publiclab.org/system/images/photos/000/009/804/large/sign-up-say-hi-join.jpg)](https://i.publiclab.org/system/images/photos/000/009/804/original/sign-up-say-hi-join.jpg) [![show-up-post-browse.jpg](https://i.publiclab.org/system/images/photos/000/009/805/medium/show-up-post-browse.jpg)](https://i.publiclab.org/system/images/photos/000/009/805/original/show-up-post-browse.jpg) [![use-our-tool-host-an-even-contribute.jpg](https://i.publiclab.org/system/images/photos/000/009/806/medium/use-our-tool-host-an-even-contribute.jpg)](https://i.publiclab.org/system/images/photos/000/009/806/original/use-our-tool-host-an-even-contribute.jpg) [![start-a-chapter-start-a-project-become-an-organizer.jpg](https://i.publiclab.org/system/images/photos/000/009/807/medium/start-a-chapter-start-a-project-become-an-organizer.jpg)](https://i.publiclab.org/system/images/photos/000/009/807/original/start-a-chapter-start-a-project-become-an-organizer.jpg)