When WhatsApp was bought by Facebook, the immediate fear was not the NSA or other government snooping (most aware users took that for granted anyway) but the likelihood that FaceBook would link WhatsApp activity to FaceBook activity giving the company access to far more information about one's life than users might like. Yesterday, WhatsApp addressed that concern. But before it did so, it quietly provided a back door to all your WhatsApp data and sold it as a benefit.