In order to drive the golf ball with optimal launch and spin, it's necessary to ... deliver the driver on a slightly ascending angle of attack. To do this, you have to position your body in a way that allows you produce this slight uppercut in your swing.

The key can be found in your spine angle and in this video Titleist staff member Michael Breed demonstrates how establishing the right tilt will let you launch the ball higher, with less spin, for maximum distance.