The white lab rat, threatened by a weapon that could be triggered via the internet, was to live in Florian Mehnert's art installation for eleven days. The internet world followed the livestream in an uproar. A worldwide shitstorm and numerous death threats followed. The art experiment `11 DAYS went around the world. How did the interactive art experiment work? Why was the experiment ended on the seventh day instead of the eleventh? Was the audience itself the lab rat in the end? The German Artist Florian Mehnert publishes for the first time what really happened. 11 DAYS gives a frightening insight into a society controlled by aggression and hatred.