This article was born, as I was searching for ways to handle thousands of registered WordPress users, who never do anything, never return to the site, and never even change their default password. Table of Topics -1030- List all registered users sorted by date -1060- Group registered users by email domain name -1090- Users who ever posted articles -1120- List of registered users who ever posted comments -1150- List of users, who posted messages in your bbPress Forum -1180- Group users by year and month of registration -1210- Count users in different roles -1240- Users who never changed their default password -1270- Users who changed their default password -1300-…