It's not just about the numbers of people who attended the U2 concerts over the past two years and the money that the band made, but about the numbers of people who heard the message that fighting global poverty and working toward meeting the Millennium Development Goals should be a priority.
Read article about U2's record-setting milestone in The Guardian. There are a number of causes, organizations and charities that benefit from U2 donations and exposure. First and foremost, of course is The ONE Campaign. See full list.