There are various types of keyboards. Some are wireless which use an infrared beam to transfer the data to your computer. There are also ergonomic keyboards which are produced in a shape that is more to the natural way you would hold your hands. This is to help relieve stress and pressure on your hands, wrists and joints. Many of us are on the computer for extended amounts of time and these keyboard are designed to make your time in from of your pc more comfortable. There are also illuminated keyboards. These are backlight just like your cell phone in order to make seeing the keys easier. And besides that they look really cool. You can find more information here: http://ezinearticles.com/?Types-of-Keyboards&id=116890
