Facebook has recently started allowing sign ups for Messenger with only a phone number instead of a full Facebook account.
- If I sign up to Messenger with only a phone number
- And I have previously used that number as an account recovery mechanism for a full Facebook account
- And that account has since been deactivated (but not deleted)
Will Facebook join the dots and attempt to reactivate my dormant full Facebook account when I try to sign up on Messenger?