FILE - In this Sept. 9, 2009 file photo, Apple iPod Nanos are shown after an Apple event in San Francisco. After prodding from the Japanese government, Apple Inc. will post prominent notices on its website warning some iPod Nano music players in Japan may overheat. Sixty-one cases of batteries overheating have been reported in first-generation iPod Nano machines sold in 2005 and 2006, according to Japan's Ministry of Economy, Trade and Industry. (AP Photo/Jeff Chiu, File)
