US commercial television began in 1941 when the Federal Communications Commission (FCC) established a broadcasting standard. Home video is a combination of delivery, recording, and display systems and has resulted in several battles over standards and compatibility issues. The FCC completely revised the transmission system after the war with the introduction of electronic encoding. Digital video recorder (DVR) serve as a platform to provide on-demand programming and share content throughout the home while recording multiple programs at the same time. The heart of a DVR is a high-capacity hard drive capable of recording hours of high definition video. Higher quality displays create video frames that bridge the motion between existing video frames. The line between Internet delivery and on demand programming began to blur as multi-channel program providers integrated broadband Internet delivery. Streaming to DVR was used to expand on-demand capacity.