The Sony of 2019 is, effectively, an entertainment media and camera company that happens to still make a bunch of hardware.
Before Apple iPhone, iPod, Sony Walkman made music portable
Sony Walkman at 40: fans nostalgic for first portable music player, and the soundtrack to their youth
Sony D-NF340 CD Walkman & MP3 Player w/FM Tuner : Everything Else
40 years of the device that led to the 'birth' of the Apple iPod - Times of India
Sony launches a new WALKMAN more than 40 years after the original
FEATURE: Innovation, Colour and Form: Forty-Five Years of Sony's Walkman and Forty Years of the Discman – and Why We Need Modern Updates — Music Musings & Such
Lightweight, compact design has attractive yet functional styling with easy-access controls and a user-friendly control panel Skip-Free ESPMAX
Sony D-E356CK Walkman CD Player
From Walkman to smartphones: How portable music has evolved - Times of India
The Walkman, Forty Years On
Sony Walkman Turns 40 And It's Making A Comeback
Sony Walkman WM-FX281 AM/FM Portable Cassette Player Refurbished by Retrospekt
Sony Walkman from the 2000's I think 💭. I use this often in the kitchen when I'm cooking. : r/cassetteculture
ULTRA RARE] Sony WM-40 Walkman Cassette Player, Excellent Silver ! For Display or Repair !