Lately I've been noticing a lot of "flashes" in things I've been watching, notably during scenes meant to be spontaneous. This isn't the same as lens flare; it's much more dominant and, imo, prettier.
Here are a few examples:
http://youtu.be/2ZI4MWGeW6U?list=UU5yVeWxC5dQd1CNq4naTBAw
(starting...