...In the late Twentieth Century, digital data was often stored on circular discs, by various electromagnetic methods. In particular, video-game consoles at the end of the century used optical discs called "CDs". While they were capable of random access, they could not read the contents of the disc instantaneously. Therefore, the programmers of the games would often force the player to wait until the console had finished examining the disc for data. These periods were referred to as "loading times", and they were often marked by a time-honored incantation...