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Continue to ChatFacebook Messenger's Secret Conversations feature brings End-to-End Encryption https://ndroidnews.com/facebook-messenger-starts-testing-end-to-end-encryption-with-secret-conversations/
Facebook Messenger's Secret Conversations feature brings End-to-End Encryption https://ndroidnews.com/facebook-messenger-starts-testing-end-to-end-encryption-with-secret-conversations/