The cell phone addiction is, for many, the disease of the XXI century. So much that, the dread of being deprived of it can already be identified as a syndrome for a large part of the residents, without those affected being aware of it. The best cell phone, either with or without the internet, a smart phone or the lifelong type, is the one that we use only when it is useful for us. That one that we can do without without causing us any alteration. How many are able, today, to say that? Let’s raise our hands if we are able of leaving our cells at home without having a burning desire to come for it.