This 15-second commercial for Taco Bell was broadcast on cable-TV network, Comedy Central on 14 June 2008, during Reno 911. It contains 24 shots, with an average shot length of .6 seconds (18 frames) and a median shot length of .52 seconds (15.5 frames).
Because the shots in this commercial are so short, we have indicated their lengths in number of frames. (Video, in the US, contains 30 frames per second.)
Jeremy Butler has written about television style for over thirty years, publishing in Screen, Cinema Journal, The Journal of Popular Film and Video, and Jump Cut. His textbook, Television, contains the most comprehensive overview of style in television studies. He has taught television, film, and new media at the University of Alabama since 1980.