 Conversely, non-linear television can be considered to be any method or technology that allows viewers to select what shows they watch and when they watch them.The ability to watch a show at any time is referred to as time shifted viewing; this can be achieved by either the consumer recording shows with a device such as a PVR for later viewing, or by the publisher providing content to be selected at will at the viewer's convenience.Non-linear content is often viewed on a device other than a television, such as a personal computer or a smartphone.