1968 Created the 'Ultimate' Anti-Sport Sport
npr.org
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One thing I've noticed about ultimate that makes a significant difference to other sports, is the degree of control you have over the flight of the disc. Releasing the disc parallel to the ground it should fly straight in the direction you release it. But angling it will cause the disc to curve as it flies, quite significantly depending on the angle.
This allows the thrower to curve the disc around defenders or even out of bounds to reach a spot on the field where only your player can get to.
While you can curve a pass or a shot to some extent in ball spots like football, the degree of control is much smaller. This gives frisbee a "3 dimensional" aspect I find really compelling and really adds to the depth of strategy available to players.
Curving is a better illustration — you can get a much greater angle with a disc.
There is literally en entire sport called frisbee golf that involves that level of accuracy and control in every throw, at similar distances.