The Dyson Ball vacuum lets you effortlessly clean up your pad with just the turning of your wrist. The new Gillette Fusion ProGlide with FlexBall Technology does the same for your face. Instead of simply slapping on more blades to their latest razor, Gillette added a sort of roller ball that lets the razor swivel around your face as you shave. The idea is for you to shave without moving your head all around. Is it going to revolutionize shaving? Probably not, but it’s worth checking out.