Touch Screen: Substitute of Mouse & Keyboard

As the popularity of the touch screen increases, there are more touch screen devices such as laptop, computer, mp3, camera and cell phone are entering to the market. The touch technology is becoming more popular as the technology advances. This is replacing the pen and paper by having the devices that we can type on it with the use of the finger. According to Wikipedia, the touch screen technology uses the finger to point directly on the screen as result there isn't any necessary of the use of mouse or a pen. In addition the touch technologies are replacing the keyboard by having a virtual keyboard built inside the device. According to BlackBerry website, the new BlackBerry Storm has a virtual full QWERTY keyboard. Therefore, we are able to type directly on the screen. The touch screen devices replaces also the trackball which is use in a cell phone as a mouse.