That being said, According to our source, Facebook is bringing End to End protection on Messenger which will be available for limited group of users. The features works in twin Mechanism as “Telegram’s secret chat” where conversation between both recipient and the sender have options to set an expiry for a message, the scheduled time of expiry takes down all Messages used in Secret conversation feature, Just like Incognito Browsing.
The Feature will be Optional David Marcus, Facebook’s Vp of Messaging services revealed via a post on his page. Secret conversation will be available on Android and iOS. However, the desktop Messenger app and Messenger.com are not getting the feature any time soon.