There are many applications on smartphones that touch on communication, but the new ones mostly just add additional "noise" to the cacophony of offers, while ChitChat grabbed the megaphone and drowned out all the others, because it does not make a drama out of calling, but says bob bob. It's SnapChat, voicemail and walkie-talkie all in one, and the most refined communication channel out there.
voice messages
Although video calls on mobile devices are not exactly new, what is new is that we will soon be able to make them right through Facebook Messenger. At Facebook, they showed their language to Skype and took care of their own video calls within the network.