A cable box is seen on top of a television in Philadelphia in this May 30, 2007 file photo. TV's big switch from analog to digital broadcasts is coming up in just one year, on Feb. 17, 2009. And while consumers may still be puzzling over whether they need converter boxes for older TVs, there's far less mystery over which business interests could stand to gain from the shift. (AP Photo/Matt Rourke, file)

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