"I thought 'pop' was a term of abuse, it seemed sort of insulting and lightweight. I didn't realise how cool it was. Because some of the best music does have a lightweight quality, it has a kind of oxygen in it, which is not to say it's emotionally shallow. We've had to get the brightly coloured wrapping paper right, because what's underneath is not so sweet."
- Bono describing the difference between the "surface" of the songs to "what lies beneath".
U2 lost money on the production of the 1997 Sarajevo PopMart show as ticket prices were kept low, an average of $18, which did not cover the cost of the production. Any income generated from radio sales went to War Child.