Facebook Messenger flips the switch on encryption for everyone

Facebook just finished upgrading Messenger with one of the biggest features to ever come to the app - fully encrypted messaging between devices.Called "Secret Conversations," Messenger's encryption feature has been quietly rolling out on iOS and Android devices, with Wired reporting that the process has just now been completed. That means nearly 900 million users are now covered with totally secure messaging, provided they all have the latest version of the app.In addition to encrypting missives