Build Your Own Rainfall Shower Head from an Old CD Spindle. FlyLady.net: Your personal online coach to help you gain control of your house and home. Ideas to build community - Activism. Why is community building an important part of activism? Without community we are alone. We build communities of friends, neighbours, relatives and co-workers. By strenghtening these communities we make stronger bonds with those around us. This leads to a stronger, more tolerant community, which in turn leads to a stronger, more tolerant society. Building community also breaks the idea of "every person for themself", which is an idea that makes people work against each other and feel isolated. It is in the best interest of the health of our society and ourselves to build community. Here are some easy things you can do to help build community: Folding@home - Main. Dreamer - Search the Web, Change the World.