Nice job! Although a lot of my emails are not people-centric, but topic/project/event-centric. Unifying them into categories by people would make it harder for

Nice job! Although a lot of my emails are not people-centric, but topic/project/event-centric. Unifying them into categories by people would make it harder for me to keep track of the content. Would be nice if topic-centric could be added.