"It's a sort of three year cycle. We spend like a year writing the songs, then a year recording them, and then a year selling them door to door." - Bono, 2009
did you know
In the song 'Zooropa' there are a number of advertising slogans in the lyrics like 'Vorsprung Durch Technik' (Audi), 'Be all that you can be' (the Army), 'Eat to get slimmer' (Slim-Fast) and 'Fly the friendly skies' (United Airlines).