U2's Bono apologizes to iTunes users angry over free download
Band's "Songs of Innocence" went to 500 million users
Some called the free music invasive
(CNN) -- Bono is sorry he gave you free music.
More than a month after announcing that Apple would be giving a digital copy of U2's new album, "Songs of Innocence," to all 500 million iTunes customers, the group's frontman apologized to those who considered the gift an inconvenience.
"Oops!" Bono said in a question-and-answer video the b
