Grat changs hav takn piac in popls lif in past 20 yars. In th past , popl kpt in touch with rlativs or frinds mainly bu snding lttrs . Thy would listn to th radio for nws and othr programms on TV. Som familis ar rich nough to snd thir chilrn to school in thir own cars.Mor and mor poplliv in big and bright aprtmnts with svral rooms. In a word ,popl liv bttr than bfor .