In this July 2009 File photo, Sony Corp.'s first Walkman is shown at a special display commemorating the Walkman's 30th anniversary at the Sony Archive building in Tokyo, Japan. The Walkman, the Sony ... more 
In this July 2009 File photo, Sony Corp.'s first Walkman is shown at a special display commemorating the Walkman's 30th anniversary at the Sony Archive building in Tokyo, Japan. The Walkman, the Sony cassette device that forever changed music listening before becoming outdated by digital MP3 players and iPods, has died. It was 31 years old. Sony announced Monday that it had ceased production of the cassette tape Walkman in Japan, effectively sounding the death knell of the once iconic, now obsolete device. less 
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Associated Press | Photo By Shuji Kajiyama
Mon, Oct 25, 2010 7:59 PM EDT