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Use "walkman" in a sentence
"The walkman was my best friend 20 years ago as I trained for track meets in highschool."
"If I was able to sneak a walkman into class back in the day, students will have no trouble with cellphones."
"The answer is not simple as the media was indeed more portable, the walkman was the iPod of its day but probably more important it was the first real opportunity to create your own compilations and share them with your friends."