My daughter, when she was a week old, was diagnosed with congenital heart disease. For the past thirteen years, she's had four major heart surgeries. She's a candidate for - and must have - heart replacement surgery in order to have a long life.
If the flag of an armed enemy of the U.S. is allowed to fly over government buildings, then it implies that slavery, or at least the threat of slavery, is sanctioned by that government and can still legally exist.
I think that two-dimensional film will always be here to stay because it always has its place, but 3D does too.