Viber update brings end-to-end encryption and hidden chats

Earlier this month, WhatsApp has announced that everything you communicate through it can now be end-to-end encrypted, and today one of its biggest competitors has done the same.Viber is the app in question, and it's no small deal, this, as it currently has more than 700 million users. With the latest version (that's already available in both the iTunes App Store for iOS and the Google Play Store