The $4.99 Cine Meter app for iPhones is what Jon Fauer calls "a seriously useful cinematographer’s tool." It works as a light meter, RGB monitor, white balance checker, color temperature matcher, and contrast viewer.
Read Fauer's full take on it here on Film and Digital Times.
"Aaron [Sorkin] methodically worked in a reel-by-reel order. We would divide up sequences between us at breaks that made sense. But when it came time to review the cut on a sequence, we would all review together."
As technology has moved from analog to digital to HD and now to 4K, video producers have been left to sort out the tangle of file structures, compression codecs, and metadata-storage mechanisms for themselves.