Advantages and Disadvantages

In my personal opinion, almost every human being living in nowadays thinks, that the technical progress should be valued positively, besause of all comfort it provides us. I am talking aboutour favourite mobile phones, portable computers, wireless hands-free systems, satellite TV un even radio. As I have just mentioned, these devices provide us communicability and mobility (and in my view these are very big advantages), but using these devices is not healthy, as it was found up during a special scientifical research. So I can tell about this research a little bit more.
For example, almost every person who lives in a city uses a mobile phone (probably with a wireless hands-free system for extra comfort) to communicate with his or her friends, neiborgs, parents, teachers, bosses and so on. …