From 1981 to 1984 RCA marketed the CED VideoDisc system. It never had a chance.
Format wars are nothing new, here's a "live" report from the CES show floor from 1981!
Warner is announcing dual-format HD-DVD/Blu-ray discs at CES
The impressively equipped Pioneer Avic-D3 offers an array of advanced navigation and media playback functions, but the system's poor hardware design limits its usability.