Facebook Messenger requires a Facebook account to sign up now – CNET

1. Facebook Messenger requires a Facebook account to sign up now  CNET
2. Messenger now requires new users to have a Facebook account  SlashGear
3. You can no longer sign up for Facebook Messenger without a Facebook account  9to5Mac
4. Facebook Messenger users forced to create account on main site to use chat app  The Independent
5. In wake of Twitter hack, Facebook removes the ability to match contacts with phone numbers in Messenger  MSPoweruser
6. View full coverage on Google News

Source: Google News Feed