Isolated instances do not a period define. We can always find some example of someone who did something, but the point is it didn’t start like that. For exampl

Isolated instances do not a period define. We can always find some example of someone who did something, but the point is it didn’t start like that. For example, there was never a period when movies were made by creating frames as oil paintings and photographing them. A couple of movies were made like that, but that was never the norm or a necessity or the intended process.