> But we will have to make damn sure that if we need to use a database backup we do not reintroduce user data that we've purged. For that purpose we will have t

> But we will have to make damn sure that if we need to use a database backup we do not reintroduce user data that we've purged. For that purpose we will have to maintain a list of which users have been purged until the backups rotate out. This is the approach we've generally taken as well.