FILE- This Wednesday, Nov. 30, 2011 file photo shows U2 frontman Bono, left, as he presents a pair of headphones to host Jon Stewart during a taping of "The Daily Show with Jon Stewart" in New York. ... more 
FILE- This Wednesday, Nov. 30, 2011 file photo shows U2 frontman Bono, left, as he presents a pair of headphones to host Jon Stewart during a taping of "The Daily Show with Jon Stewart" in New York. When iPods hit the scene 10 years ago, the small, white ear buds that came with the devices became the symbol for listening to music on the go. Today, that's changing. (AP Photo/Brad Barket, File) less 
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Associated Press | Photo By Brad Barket, File
Thu, Dec 22, 2011 10:38 AM EST