"It's a song about uncertainty. We talked a lot about uncertainty when we were making the record. Musically, uncertainty is the antidote to complacency. As far as the song was concerned, all the ad slogans were the real breakthrough for me. My favorite line is 'We're mild and green."
-The Edge on Zooropa
did you know
U2 hold the record for the most powerful live sound system of all time. It used over a million watts - capable of killing someone if turned up to full.