"Once upon a time, people lived in caves and hunted animals with spears. Then, they recorded things from the TV onto small black cartridges filled with magnetic tape. Finally, in 1999, the Digital Video Recorder was born and civilization was discovered. I may have missed out some minor details, but that's the short version.
:The Digital Video Recorder (DVR or PVR) enabled people to program recordings and play them back using an on-screen program guide, rather than messing with manually setting start and end times..."
