How do you sleep better on a plane?
Usually, the plane seats have a small pillow and a tissue attached to them. But some airlines think that the "ears" are necessary for sleeping in comfort. You can adjust them the way you want. First and business class sections have this feature too.
The airplane seat’s ears don’t work as intended.
Beer Bottles designed to be held in one hand, and drunk out of directly, have their shape constrained by human anatomy. The lower part of the bottle needs to have a diameter that can be grasped securely. The bottle mouth needs to fit into the human mouth, and have a shape that won't produce leakage when you drink from it.
When was the last time anyone got a French fry container from McDonald's like that?
They stopped using those in the late 90's.