Compact discs, or CDs, were revolutionary when they first emerged as a new medium for listening to music in the 1980s. Part of their success is alluded to in the name itself: the slim, compact size of ...

When talking about vintage tech from the '90s, it's common for millennials to bring up the Walkman, Tamagotchi, Polaroid cameras, and CDs. All of these died out and then saw a recent resurgence — save ...