Encrypting text chats on Messenger has been an option since 2016. The number of audio or video calls made on Messenger has surged since then to more than 150 million daily, prompting Facebook to add the option of scrambling exchanges from one end to the other to prevent snooping. End-to-end encryption is already widely used by apps including Facebook-owned WhatsApp and is becoming an industry standard. Facebook disclosed that it is testing encrypting group chats and calls on Messenger, as well as direct messages at its image-centric Instagram social network. How will be companies be held accountable on data sharing to seal privacy loopholes ?