WhatsApp now offers full end-to-end encryption to all of its 1 billion users

Well, it's happened. As predicted last month, WhatsApp has now finalized its multi-year long effort to bring end-to-end encryption to all aspects of the service, and to all of its users. The number of those, by the way, has grown to over 1 billion. That makes the Facebook-owned app essentially the second most popular social network after Facebook itself, which has around 1.5 billion