Your Computer's Keyboard Has A Secret That Will Help You To Type Better
The small bumps on the F and J buttons are there to help you find the optimum typing position. When we type, our fingers cover the buttons A, S, D, and F (left hand) and J, K, and L (right hand). The ridges found on the F and J buttons serve to help you place your hands correctly without looking at... Sign in to see full entry.