 Crosby's interest as a performer was to avoid repeated live performances of the same show for west coast broadcast, the routine on early live network radio.Videotape use on a regular basis was first introduced on the CBS News series "Douglas Edwards and the News" in November 1956.Today, with no known tape copies of those telecasts in the CBS library or tapes of any programming prior to the fall of 1957, "The Edsel Show" is believed to be the earliest surviving videotaped television broadcast.