gzipped_tar writes: Fans at a recent right-wing extremist rock festival in Germany thought they were getting free T-shirts that reflected their nationalistic worldview. But after the garment's first wash they discovered otherwise. The original image rinsed away to reveal a hidden message from an activist group. It reads: "If your T-shirt can do it, so can you. We'll help to free you from right-wing extremism." Link to Original Source
I have yet to see any problem, however complicated, which, when
you looked at it in the right way, did not become still more complicated.
-- Poul Anderson