How to encrypt your Facebook messages with Secret Conversations

Good news, privacy enthusiasts: Facebook’s one-on-one encrypted messaging feature called Secret Conversations is now live for all Android and iOS users. 
Secret Conversations allows Messenger users to send end-to-end encrypted messages to their Facebook friends. There are a few caveats, however. First, it only works on a single device. Facebook says it doesn’t have the infrastructure in place to distribute encryption keys across your phone, tablet, and PCs.A beta version of Sec