A little more movement of the defensive side of the ball, some rules that will be unnoticed, but a big rule will be allowing the jack linebacker to move out of the box sideline to sideline.
And then we watched an amazing number of movies from the late '60s and '70s, which is my favorite time, and we studied their camera movements, their stocks, the way they lit stuff, the colors they used.
Like flats of today, terraces of houses gained a certain anonymity from identical facades following identical floor plans and heights.

