You can now sign up to Facebook Messenger without a Facebook account
By simplifying the sign-up process of Messenger, Facebook has also removed much of the red tape associated with signing up to its network. Before now, those wanting to use Facebook Messenger would need to sign up for a proper account, which includes entering an email, along with other personal information that some are not keen to hand over. Those concerned about revealing private info on social networks like Facebook will now be able to chat to their Facebook-using friends, colleagues and family members without the privacy concerns, and the move should help to increase Messenger's overall user base.
Now, on Messenger's initial welcome screen, there's a "Not on Facebook?" option that can be clicked, and thereafter, one can sign up using a name, phone number and photo.
Just like WhatsApp, then.