I explained to a friend that since WhatsApp demanded full access to all contact details it, and by extension Facebook now knew his full postal address, which ba

I explained to a friend that since WhatsApp demanded full access to all contact details it, and by extension Facebook now knew his full postal address, which bank he used, where he worked, the identity of his boss, his therapist and his parent's address and possibly birthdays. He looked a bit thoughtful, at least. Its not the encryption, its the meta data.