What is capacitive touchscreen

In the cell phone industry there are two major categories of touchscreen displays: capacitive touchscreens and resistive touchscreens. Capacitive touchscreen displays rely on the electrical properties of the human body to detect when and where on a display the user touches. Because of this, capacitive displays can be controlled with very light touches of a finger and generally cannot be used with a mechanical stylus or a gloved hand. Examples of devices with capacitive touchscreens are the Apple iPhone and the T Mobile G1. However, some modern displays like the Nokia Lumia 1520 are designed to support ultra sensitivity that can detect touches while gloves are worn.