The reality for me is that there are very few movies I want to watch over and over and therefore have a reason to own.
Such questions are best handled by the great resources they have at.
It is used to distinguish between different wavelengths of light, which are responsible for the variations in color and brightness.
Civil disagreements can happen, but insults should not.
Not much to worry about there.
In this case, you would have bought the physical media and gotten a Ultraviolet Code which you would enter to get a digital copy to watch.
I signed up for Ultraviolet and Movies Anywhere.
Everyone here is willing to help.