"A lot of the time I feel like I should put a cap on my head and a sign over my car with "Taxi" written on it. I spend a lot of time ferrying children, including other people's children, to various houses."
- Larry Mullen jr, 2009
The title of the song '11 O'Clock Tick Tock' refers to a meeting Bono should have had with a friend but missed. The friend put up a note saying 11 O'Clock Tick Tock.