Improv Everywhere is at it again. For those who don't know what Improv Everywhere is.
Improv Everywhere causes scenes of chaos and joy in public places. Created in August of 2001 by Charlie Todd, Improv Everywhere has excecuted over 40 missions involving over 100 undercover agents. The group is based in New York City.This time they staged a massive U2 concert hoax on a rooftop. It created a scene. That's why their motto is "We Cause Scenes".
Read their report and watch the video here and here.