The most important of which was the change in the shape of the puck from elongated to spherical, which allowed for a greater degree of control.
The puck shape changed.
The puck stayed the same.
A man is sleeping in his bed
The men are at a shopping mall.
Dogs on grass fighting over a ball.
They assume the first class mail has changed a lot.
There is a woman sleeping.
A kid plays with a ball while people relax and talk.