Despite being called smartphones majority of users hardly use their mobile devices for voice calls anymore these days. Of course, some still do, but even those usually course it through VoIP services rather than regular cellular lines. With phone calls practically a dead venue, Google is turning its attention to what it bills as the next best thing to communicating with someone with a personal touch: video calls. But as nice as the thought may be, video chat is also the most unreliable medium. That is why Google is finally launching its Duo app and service to make video calls a piece of cake.