Forty-Six years ago today and the introduction of the first Sony Walkman cassette player. Now the legend goes the Sony co-founder, Mr. Ibuka wanted to listen to his favorite opera music while on long flights. And he asked one of his designers to take Sony's Pressman dictation recorder, which was favoured by journalists at the time, and make it smaller. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from