Graffiti Walls (or "Idea Walls") are public spaces for citizens to brainstorm graphically. They provide an informal place to help community members generate ideas or suggestions and respond to the ideas of others.
Graffiti walls are spaces for citizens to write, scribble, doodle, and brainstorm. They may be as simple as pieces of butcher paper tacked upon a wall, or as complicated as permanent art installations. Variations include online graffiti walls, cafes with paper on tabletops or paper napkins upon which citizens can write their ideas.
Graffiti walls are most useful for early brainstorming in a planning process, or as a tool for reaching people who would not participate in other community meetings and feedback processes. Depending where a graffiti wall is located, it can reach and obtain information from a very targeted audience (i.e. placed in a church, school hallway, or nursing home), or a very broad group (i.e. posted outside the post office or on a grocery store bulletin board).
Graffiti walls can offer a very structured design, format, or question (see "Before I Die" link), or they can be left completely open and free-form. They can be left in a public place for an extended period of time, or used for just a short duration (such as during an event) and monitored.