If a picture is worth a thousand words, what would 50 pictures be worth? What if 50 people could present their most passionate ideas to each other—without any long-winded explanation? A poster session accelerates the presentation format by breaking it down, forcing experts to boil up their ideas and then present back to each other via simple images.
20 minutes to develop posters, an unlimited time to browse
The goal of a poster session is to create a set of compelling images that summarize a challenge or topic for further discussion. Creating this set might be an "opening act" which then sets the stage for choosing an idea to pursue, or it might be a way to get indexed on a large topic. The act of creating a poster forces experts and otherwise passionate people to stop and think about the best way to communicate the core concepts of their material, avoiding the popular and default "show up and throw up."
To set up, everyone will need ample supplies for creating their poster. Flip charts and markers are sufficient, but consider bringing other school supplies to bear: stickers, magazines for cutting up, and physical objects.
Start the game play by first framing the challenge. In any given large group, you could say the following: "There are more good ideas in everyone's heads than there is time to understand and address them. By creating posters that explain the ideas, we'll have a better idea of what's out ...