The Sony Walkman precipitated the rise of MP3 and audio players that allow us to revel in our own private auditory worlds.
The Walkman at 40: How Sony forever changed the way we listen to music
How the Sony Walkman changed everything
The Sony Walkman is 40 years old
You can thank your old Sony Walkman for ushering in the era of portable entertainment
Sony Walkman NW-ZX707 Review – GadgetMatch
Original Sony Walkman (TPS-L2): A Brief History
WM-DX100 with hybrid DD mechanism, changed the belt and flywheel, still audible wow & flutter in some songs : r/walkman
A history of Sony's successes and failures, Sony
The Sony Walkman at 40 shows what's wrong with the company
40 years ago Sony's Walkman changed the way we listened to music - CNET
How Sony's Walkman Changed the World Sony walkman, Walkman, Compact cassette
The Sony Walkman returns 40 years later and it'll now cost you £349, Tech News
From Walkman to Your Phone: 40 Years of Portable Music
Everything is impossible until it's not: July edition