On October 1, 1982, Sony ignited a digital audio revolution with the release of the world’s first commercial compact disc player, the CDP-101 (above), in Japan. It signaled the dawn of a new audio ...

Compact discs weren’t always impromptu drink coasters. Once, in the not-so-distant past, they played music, contained pictures, and let people play video games with tacked-on FMV sequences. And today, ...