A movie color grade condensed in just one image:

the first thing I thought is “nice, but useless…” - then I found this avisynth script:

http://www.reduser.net/forum/showthread.php?55754-quot-Bar-code-quot-images-for-famous-movies&p=731122&viewfull=1#post731122

and wasted two minutes to download and test it… then I realized a thing…
“what if we use this for a ‘fingerprint’ of the movies we are using?”
It could be useful to make comparison between a movie with different color grading at a glance!

An example from The Arrival - top IT DVD, bottom US BD (click for larger versions):

What do you think?