This article is a review on billboard liberation and some other projects that develop the idea of talking back or over advertising in a playful and youthful way. In one of them, Ji Lee's Bubble Project, an artist places blank thought-bubble stickers on street advertisements and waits to see what people write on them, completing the work of art and…

In the 1960s, Augusto Boal created a process whereby audience members could stop a performance and suggest different actions for the actors, who would then carry out the audience's suggestions. Then, he began inviting audience members onto the stage to demonstrate their ideas and discovered that through their participation they become empowered…