Yog hais tias koj tus neeg siv kua, koj twb tseem zaum hnov ntawm tus yees duab naas ej hu app hu ua 'Facetime'. Nws tsis yog, Nws yog ib tug point-to-point kev sib txuas lus portal qhov twg koj yuav tsham nrog lwm tus neeg siv koj daim ID kua. Lub tseem…