You can no longer sign up for Facebook Messenger without a Facebook account – 9to5Mac

1. You can no longer sign up for Facebook Messenger without a Facebook account  9to5Mac
2. What to expect from Facebook in 2020  Pocket-lint.com
3. Facebook Messenger users forced to create account on main site to use chat app  The Independent
4. In wake of Twitter hack, Facebook removes the ability to match contacts with phone numbers in Messenger  MSPoweruser
5. You can no longer sign up for Messenger without Facebook account  The Indian Express
6. View full coverage on Google News

Source: Google News Feed