Apple’s click-wheel enabled iPod was once the epitome of portable music playability, but when a parts shortage loomed, Tim Cook sent the iPod to God.
The world's first popular ultra-portable tape-based music player, the Sony Walkman, has gone through a myriad versions over its 30+ year lifespan, including MiniDisc and flash based versions, but Sony's now sending the tape-based Walkman to walk off into the sunset and retire.