Secret Conversation Feature On Messenger: Messages in secret chats are protected with end-to-end encryption, which means only you and the other person can see them, not even Facebook.
Facebook Messenger now offers 'secret conversations' for enhanced privacy. These end-to-end encrypted chats ensure only you and your contact can read messages, with an option to set them to disappear.
PHILADELPHIA (WPVI) -- Not much on Facebook is a secret, but now the social media site has come up with a way to keep certain conversations private. The new feature is called "Secret Conversations" ...