Every e-book I own lives multiple lives, on my desktop computer hard drive, on the backup drive that protects said desktop, and eventually on a backup DVD optical disk. (madgeniusclub.com)
Kyle then worked for Pentax Technologies Corporation, developing hardware and firmware for write - once and rewritable optical disk drives. (fisherbroyles.com)
The Saturn and the PlayStation beat it to market by years, and both had the good sense to use optical disks instead of cartridges. (ignorethecode.net)