Questions of the Day/Week/Month [Selection of Day, week, month depends on the admin if he want to send mailers daily, weekly or monthly)
Highest Point Getter (top 5, 10) of the day
Most popular question of the day, week , month
Name of the Website, Team or whatever a user want to write
The questions should be hyperlinked (compatible with sh404sef)
I think this will help to increase user engagement with question answer portal.