Input technology

What is the difference between passive (video) and active (games) digital entertainment? The answer is being able to control the outcome of the experience. And how does one control the game's outcome? Well, with the controls, also known as input. The two most common forms of input are via the keypad of traditional phones featuring physical buttons, and the touchscreen and sensors that smartphones are equipped with. As smartphones featuring touchscreens and sensors represent the latest technology, which is replacing traditional cell phones, this chapter concentrates on the touchscreen and the many input options available on today's smartphones.