In 1954, Fitts produces a theory of movement based on theorem seventeen on Shannon’s communication model. The result of Fitts’ experiments was that the speed of the movement is not limited by the muscle force; the subjects showed the same performance independent of the weight of the stylus. Instead, measured times fitted to the concept of information processing. The inter movement time of Fitts’ law is measured in second (s) of units processed and is calculated with Equation (1)