Three pages of N.Y. Times movie ads are linked below — a group playing in May 1962 and another from October 1955. How many have you seen or even heard of? How many have any kind of must-see rep today? Maybe 10%, if that. The same rule will almost certainly apply 40 or 50 years from now. What films that have opened over the last six to twelve months will be considered essential downloads in 2049 or ’59?