"I know what will happen. First three months will be completely mad, there'll be good and bad gigs, the music will have to be fixed. All the usual things. The first three months will be spent just getting it all right."
- Larry Mullen prior to the start of the Popmart Tour
U2 has sold approximately 50.5 million albums in the U.S., according to the RIAA, and upwards of 170 million worldwide.