Obviously the model number above does not tell you much. If I tell you, 30 years from the launch of the first Walkman? Yes, in 1979, Sony launched its first personal mobile stereo system. Better known as Walkman, that small device marked decades to come and generations with “music everywhere”. These days, no more tapes, but we can’t live without the music around us, in our pockets within iPods, in our mobile phones…