* cut down on storage of the work Topic, 3 times per row (in 2 indexes)
* only store one view per user per topic
* only store one view per ip per topic
Introduced badge triggers, introduced concept of badge that happens due to a post but has the post hidden
Delta badge grant happens once a minute, backed by redis
This is information that is not usually needed when representing a user
and is in a separate table with a has one relationship to avoid querying
it all the time.
Régis Hanol
Sam
Robin Ward