Personally I preferred the App in the older version. Like Colonel, for the longest time, I thought there must have been something wrong with my filtering of the posts, before I realised it has gone quiet.
Even wondered where the Colonel had gone, was missing the troll
Tried to join the Facebook site to see if there was more activity there, only to be blocked!!
Guess it's because I used my avatar Azarias.
Via email would be the quick response when registering each user used an email address so possibly a generic email with a link to the sign in page would suffice.
If there is a database of the email addresses that is.