Cellphone addiction: Positive and negative effects of smartphones. Autor: Nathalia Zarama Introduction The world is changed, the tecnology come in news oportunityes and dificultyes to the diferente persons and the most important Will be that the people learn all over this. The cellphone is a great tecnology because the people can comunication in diferent places and countryes of the world, but any persons no use this tecnology for your work o to comunication and lose time in plays or social redes. The cellphone is a great tecnology because the people can comunication in diferent places and countryes of the world, but any persons no use this tecnology for your work o to comunication and lose time in plays or social redes. The real problema are the children and younger, when if they use this tecnology without adult person is probably an serius problem because they are not having conscience. Arguments in favor · The cellph...