Surprising piece of trivia: Despite the fact that the first Super Bowl was covered by both NBC and CBS, there are no known videotapes of either the first or second super bowls, except for a two minute clip of the first game. Showing how much the world has changed before the time of home recordings, and when networks routinely wiped out previous broadcasts, because of the high costs of video tape and the fact that no one thought there was a market for material that had already been broadcast.