The Fourth Wall

The fourth wall is the invisible wall at the front of the stage. It's not there, but we recognize it as a boundary. You understand that those people up on stage are actors. No matter how dramatic, no matter how violent things are happening on stage, i know that it isn't real. A post modern fokin also exists in insinema. Nos fok woody ellen was doing in the sixties. But a class example of the eighties would be ferris bulder's day off. I write that classic eighties fillem. What does ferris buller do?