Screen protectors

If you are using a costly touch screen device then it is better to go for screen protectors which protect screen from sun, dirt and external damages like pressure and scratches. Cell phones communicate using signals in the microwave spectrum. The invisible stream of RF (radio frequency) signals penetrate our bodies when the device is held close, and as well as the long term potential for cancer, there is also the potential to impact cognitive memory functions and to cause disorientation and dizziness. This article explains how to take precautions when using your cell phone.